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Copenhagen

Copenhagen (kō´pənhā´gən, –hä´gən), Dan. København (kö´bənhoun´), city (1992 pop. 464,566; metropolitan area 1,339,395), capital of Denmark and of Copenhagen co., E Denmark, on E Sjælland and N Amager islands and on the Øresund. It is a major commercial, fishing, and naval port and is Denmark's chief commercial, industrial, and cultural center. It is also a rail hub. The Store Bælt Bridge, between Sjælland and Fyn islands, links the city to Denmark's mainland; the Øresund Fixed Link (2000) connects the city with Malmö, Sweden. Manufactures include ships, machinery, pharmaceuticals, processed food, beer, textiles, plastics, marine engines, furniture, and the celebrated Copenhagen ware.

Copenhagen is the seat of a university (1479), a technical university (1829), an engineering college (1957), a music academy (1867), an economics and business administration school (1917), and a college of veterinary science and agriculture (1856). Frederiksberg and Gentofte are Copenhagen's largest suburbs and, although independent, are intimately tied to the city. Frederiksberg is the seat of the Royal Copenhagen Porcelain factory (1651), a palace, and a zoological garden.

Points of Interest

The inner harbor of Copenhagen is the channel that divides Sjælland and Amager islands. From the harbor extends a narrow arm, the Nyhavn [new harbor], lined with picturesque old houses and closed off by Kongens Nytorv, an irregular square from which the arteries of the city radiate. The Charlottenborg Palace (17th cent.) and the royal theater (opened 1874) are on Kongens Nytorv. Other landmarks include Amalienborg Square, enclosed by four 18th-century palaces, one of which has been the royal residence since 1794; the citadel (c.1662); the city hall (1894–1905); the round tower, used by the astronomer Tycho Brahe as an observatory; and the Cathedral of Our Lady (c.1209; rebuilt in the early 19th cent.), with sculptures by Albert B. Thorvaldsen. The island of Slotsholmen, with a moat on three sides and the harbor on the fourth, supports an impressive complex of buildings, notably Christiansborg Palace (18th cent.; restored 1916), erected on the site of Archbishop Absalon's original castle and now housing the Danish parliament, supreme court, and foreign office; the Thorvaldsen Museum (opened 1848); and the stock exchange (17th cent.). On Holmen island in the harbor, opposite the royal residence, is the large modern opera house (opened 2005). Favorite spots in the city include the Tivoli amusement park (opened 1843) and the waterfront Langelinie Promenade, near which is the famous statue of Hans Christian Andersen's Little Mermaid.

History

Copenhagen was a trading and fishing center by the early 11th cent. It was fortified (1167) by Archbishop Absalon and was chartered (1254) by the bishop of Roskilde. The city was twice destroyed by the Hanseatic League but successfully resisted (1428) a third attack. Copenhagen replaced Roskilde as the Danish capital in 1443. The city exacted tolls from all ships passing through the Øresund until 1857. Having resisted (1658–59) a Swedish siege, Copenhagen was relieved by the Dutch. In 1660 peace between Denmark and Sweden was negotiated there. The city had expanded considerably in the 16th and 17th cent. as its trade grew, and it continued to develop in the 18th cent. as industries such as textile making and tobacco processing brought added prosperity.

Copenhagen became involved in the war between Napoleonic France and England in the early 19th cent. The news that Denmark, by a secret convention, was about to join Napoleon's Continental System and to join in the war on England led the British government to decide to send an expeditionary force to seize the Danish fleet, which already had been mauled (1801) in the battle of Copenhagen. When the Danes refused to surrender, the British landed troops in 1807 and severely damaged Copenhagen by bombarding it.

The city recovered quickly after the Napoleonic Wars, and its industrial base grew rapidly in the 19th cent. In World War II, Copenhagen was occupied (1940–45) by the Germans, and its shipyards were bombed by the Allies. The city itself was only slightly damaged, and it retained the charm and design that had resulted in its being called "the Paris of the North."

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Copenhagen

Copenhagen name of the Duke of Wellington's chestnut charger, which he rode during the Peninsular campaign and at Waterloo. Copenhagen, who was the grandson of the famous racehorse Eclipse, was buried at Stratfield Saye with full military honours. He figures in the equestrian statue of Wellington opposite the entrance of Apsley House in London.

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Copenhagen

Copenhagen •deafen •griffon, stiffen •antiphon •hyphen, siphon •often, soften •orphan • ibuprofen •roughen, toughen •colophon •dragon, flagon, lagan, pendragon, wagon •snapdragon • bandwagon • jargon •Megan •Copenhagen, pagan, Reagan •Nijmegen •Antiguan, Egan, Keegan, Regan, vegan •Wigan • cardigan • Milligan • polygon •hooligan • mulligan • ptarmigan •Branigan • Oregon • Michigan •Rattigan •tigon, trigon •toboggan •Glamorgan, gorgon, Morgan, morgen, organ •Brogan, hogan, Logan, slogan •Cadogan • decagon •Aragon, paragon, tarragon •hexagon • pentagon • heptagon •octagon • Bergen • Spitsbergen

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Copenhagen

COPENHAGEN

COPENHAGEN (Dan. København ), capital of *Denmark. The first Jewish congregation in Copenhagen was founded in 1684 when two Ashkenazi Jews, the court jeweler Israel David and his partner Meyer Goldschmidt, both of Hamburg, were permitted "to conduct morning and evening prayers in their homes on condition that these devotional exercises took place behind closed doors and without any sermon." In 1687 Abraham Salomon of Rausnitz in Moravia was appointed the first rabbi in Copenhagen. The first Jewish cemetery in Møllegade, established in 1693, is the oldest cemetery in northern Europe. Religious services – in some cases according to the Sephardi tradition – were held in private homes until 1766 when a synagogue with 320 seats was built in Laederstraede. This first synagogue was destroyed by the great fire of 1795, and services were thereafter held in 15 private homes. In 1827 the Liberal Party deemed it a matter of necessity to procure a rabbi with an academic education, and Abraham Alexander *Wolff, at the time Landesrabbiner in Upper Hessen, was appointed. A new synagogue in Krystalgade was built in 1833, on the initiative of Rabbi Wolff. A few strictly Orthodox members of the community were dissatisfied with some innovations introduced into the ritual in the new synagogue in Krystalgade, and a chapel was established in a private home in Laederstraede, where services in accordance with the traditional Polish rite were held from 1845 to 1955. After the consecration of the Krystalgade synagogue, the former Sephardi prayer rooms in Copenhagen were abandoned. There is no Reform synagogue in Copenhagen. The congregation Mahzike Hadas, established in 1910, and since 1914 affiliated with *Agudat Israel, maintains a synagogue in Ole Suhrsgade on a private basis.

The community is governed by a council of 20 delegates elected by approximately 1,800 dues payers; by a board of seven directors elected by the council; and by a board of seven trustees. The first old-age home, Meyers Minde, next to the synagogue, was erected in 1825 and rebuilt in 1925 and 1966. Three other old-age homes were erected in 1902, and a new old-age home and infirmary on the outskirts of Copenhagen were dedicated in 1961 in the presence of Queen Ingrid of Denmark. All Jewish welfare work in Copenhagen was carried out under the jurisdiction of the Jewish community until 1932, when Jews became subject to the same general social welfare legislation as all other Danish citizens. The Jewish community in Copenhagen, however, still has philanthropic institutions of long standing and applies the income from legacies to supplementary relief, medical aid, recreation, scholarships, dowries for needy brides, and assistance to Jewish transients. The all-day schools for boys and girls, founded respectively in 1805 and 1810, were united into one coeducational school, Carolineskolen, with 140 pupils after World War ii. At the end of the 20th century its student body numbered close to 200 pupils. A Lubavitcher yeshivah founded in 1958 closed down, but 1997 saw the arrival of the first *Ḥabad representative in Copenhagen. In June 2004 the Danish Jewish Museum was inaugurated by the Queen of Denmark. The opening display showcased not only the exhibits but also Daniel Libeskind's architecture; it presented a far-ranging story of Jewish life in Denmark, emphasizing coexistence and identity over four centuries.

During World War i, the *World Zionist Organization established a central office in Copenhagen, and on Oct. 25, 1918, issued the Copenhagen program. This program contained the claims of the Jewish people which were to be presented to the Paris Peace Conference. A museum of ceremonial art objects was established in 1902. The Bibliotheca Judaica Simon-seniana, part of the Royal Library in Copenhagen, is one of the great Jewish libraries of Europe. It comprises the library of Chief Rabbi David *Simonsen, the collection of the Danish maecenas Simon Aaron *Eybeschutz, and the library purchased from Lazarus *Goldschmidt. Rafael *Edelmann became its chief librarian in 1938.

For Copenhagen from the Holocaust onward, see *Denmark.

bibliography:

J. Fischer, Jødekirkegaarden i Møllegade (1929?); R. Edelmann, in: Exposition de 181 manuscrits, incunables et autres éditions rares de la Bibliotheca Judaica Simonseniana de Copenhague (1952), 5–7; J. Margolinsky, Minder fra Jødekirkegaarden i Møllegade (1957); idem, Chevra kaddischa 1858–1958 (1958); idem, in: ajyb, 63 (1962), 327–33.

[Julius Margolinsky]

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Copenhagen

Copenhagen (København) Capital and chief port of Denmark on e Sjaelland and n Amager Island, in the Øresund. A trading and fishing centre by the early 12th century, it became Denmark's capital in 1443. It has a 17th-century stock exchange, the Amalienborg palace (home of the royal family) and the Christianborgs Palace. Other sights include the Tivoli Amusement Park and the Little Mermaid sculpture. The commercial and cultural centre of the nation, it has shipbuilding, chemical and brewing industries. Pop. (2001) 615,115.

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Copenhagen

Copenhagen

MICHAEL FRAYN
1998

INTRODUCTION
AUTHOR BIOGRAPHY
PLOT SUMMARY
CHARACTERS
THEMES
STYLE
HISTORICAL CONTEXT
CRITICAL OVERVIEW
CRITICISM
SOURCES
FURTHER READING

INTRODUCTION

Copenhagen, winner of the 2000 Tony Award for best play, attempts to answer the question that has been on the minds of many quantum physicists and historians from World War II: What actually took place in a secret meeting between Niels Bohr, who is considered the father of quantum physics, and Werner Heisenberg, who was working on, but failed to create, the atomic bomb for Nazi Germany? The meeting took place in 1941. Heisenberg had been a student of Bohr's. The two scientists had collaborated and brought forth the basic tenets that would become the foundation of quantum physics. Heisenberg was a German; Bohr was a Jew who was residing in Copenhagen, Denmark. The meeting took place while Denmark was occupied by the Nazis. Bohr's house was wiretapped, so when Heisenberg appeared at Bohr's doorstep, the two men took a walk so that no one could record their conversation. All that was publicly known was that after the meeting, Bohr would have nothing to do with Heisenberg.

The play does not provide a clear answer to the question of what took place during that meeting. It does, however, provide a lot of background information about these two powerful thinkers and the struggles they must have encountered in their attempt to honor their friendship during extremely turbulent, even life-threatening, circumstances. Both scientists were capable of figuring out how to create an atomic bomb. Bohr would eventually help the U.S. forces and he was instrumental in the creation of the atomic bombs that were dropped on the Japanese cities of Hiroshima and Nagasaki. But what happened to Heisenberg? Did he deliberately confound the Nazi efforts to create a similar weapon? Or did he attempt to create it but fail? Frayn leaves these overarching questions for the audience to ponder.

Margrethe Bohr is another character in this play. She was, in real life, an intelligent woman and a supporter of her husband. Although she did not have a science education like her husband, she typed all his research papers and was a strong sounding board for his theories. In the play, it is to Margrethe that the two men direct their discussion. They attempt, for her sake (and the sake of any nonscientific audience members), to translate their technological information into a language that everyone can understand. Margrethe also acts as a mediator and as a truth monitor. She makes the men look deeper into their actions, and insists that they shun personal emotion and get to the root of what is really going on between them.

Copenhagen opened on May 28, 1998, in London, at the Cottesloe Theatre. Two years later, it made its U. S. premiere at New York's Royale Theatre, on March 23, 2000. Since then, it has traveled around the world, receiving overwhelmingly high praise as a dramatic piece.

AUTHOR BIOGRAPHY

Frayn was born September 8, 1933, in London. His mother died when he was twelve, whereupon his father transferred him from an exclusive private school to a public school for financial reasons. He was later educated at Emmanuel College, Cambridge, where he studied philosophy. By age twenty-four, he was working at the British newspaper, the Guardian, as a reporter and columnist, and then moved to the London Observer. He is a prolific writer, mostly known as a playwright and novelist, who has more than a dozen novels and twenty-plus plays to his name. He has also written numerous scripts for television and film, and has translated many of Anton Chekhov's plays from Russian into English.

Since the 1960s, Frayn has won many awards for his work, including, to name just a few: the Somerset Maugham Award for The Tin Men (1965); the London Evening Standard Best Comedy of the Year Award, and the Society of West End Theatre Award for best comedy of the year for Noises Off (1982); the Antoinette Perry Award for best play and the Tony Award for best play for Copenhagen (2000); the Society of West End Theatre Award for best play of the year, Laurence Olivier Award for best play, Plays and Players Award for best new play, and New York Drama Critics' Circle Award for best new foreign play, all for Benefactors; and the Commonwealth Writers Prize and the Whitbread Award for best novel for Spies (2002). His film First and Last (1990) won an international Emmy Award.

According to writer and critic Blake Morrison, who is quoted in a Sarah Lyall article in the New York Times: "There are two sides to [Frayn].… On the one hand he has a real taste for farce, but he's also a very serious-minded man, with an almost dry academic temperament." Although he is still a successful comedy writer, Frayn's subject matter has become more serious as he has aged. Larissa MacFarquhar, writing in the New Yorker, observes: "Frayn has reverted to older philosophical questions… [such as] What is a good life? What is forgivable? What is happiness?"

Frayn was married to Gillian Palmer, a psychotherapist, for thirty years, and the couple had three children together; they divorced in 1989. Seven years later, Frayn married Claire Tomalin, an author. He lives in London and continues to write. His play Democracy premiered in London in 2003 and in New York City in 2004. His play Copenhagen was adapted to film in 2002 by BBC-TV.

PLOT SUMMARY

Act 1

Copenhagen is set in one small space for the entirety of the play. The first act begins in the same way that the second act ends—with a discussion of what took place during a visit between Niels Bohr and Werner Heisenberg in 1941. During the course of the play, the characters, from the afterlife, thrash out the details of this meeting, looking back and trying to grasp the feelings, the setting, and the circumstances that led up to the meeting, as well as what took place while the two scientists took a short walk outside of Bohr's home that fateful day.

The first act provides background details. Nazi Germany was occupying Denmark, where the Bohrs lived. Niels Bohr, Denmark's most revered scientist, was half Jewish, and his life was threatened by the occupation. Heisenberg was a high-ranking physicist in Nazi Germany. Both men had the knowledge of how to create a nuclear bomb. They were once cohorts but now stood on opposite sides of the war.

Frayn offer details about the relationship between Niels and Heisenberg. Niels, Margrethe, and Heisenberg discuss how Heisenberg, as a graduate student, came to study with Niels, who was considered the father of quantum physics. Heisenberg, for his own credit, would go on to create the basics of quantum mechanics. The men discuss the discoveries that each of them had come up with. They also discuss the more personal relationship between them, one that was described, at one point, as like father and son.

As the men reminisce, Margrethe keeps reminding her husband that Heisenberg was working with the Nazis and was therefore their enemy. Heisenberg does not totally deny this, although he does hint that, despite Heisenberg being German, he did all he could do to make sure that the Bohrs remained safe from the Nazis. Heisenberg was not completely safe himself during the war. He was constantly watched, had been considered a suspicious person, and was interrogated by the Nazis more than once. Heisenberg was called a "white Jew" by the Nazis because he taught Einstein's relativity theory—what the Nazis referred to as "Jewish physics." Heisenberg recalls having been hesitant to talk to Bohr during their infamous meeting, knowing that Bohr's house had been wiretapped.

Heisenberg could have gone to the United States to teach, as many German physicists had done. But he wanted to stay in his homeland. He wanted to remain there, wait out the war, and help to rebuild the scientific community in Germany after the war.

The Bohrs, in the meantime, talk about their concern about Heisenberg's visit. They did not want their fellow citizens to think they were collaborating with the Nazis. Before Heisenberg arrived at their home that night, Margrethe had cautioned Niels to stick to physics and not talk about politics.

Margrethe and Niels try to figure out why Heisenberg would want to visit them. The topic of fission finds its way into their talk. Niels had been working on fission for three years. He did not think that Heisenberg had done any work in that area. But Margrethe counters that everyone else was working on it, why not Heisenberg? He has been working on a weapon for Germany based on nuclear fission, Margrethe suggests. Niels does not believe so. According to calculations at that time, this advancement in weaponry was many years in the future. It was a complicated procedure that would take not only time but an almost incomprehensible wealth of resources. But the husband and wife continue to discuss nuclear fission, giving the audience background information on the history of the development of this inquiry into the splitting of the atom and its potential implications.

Then the three characters switch the time reference, slipping back to 1941 and playing out the scene of that meeting. They greet one another awkwardly. Many years have passed since they have seen each other. Many things have happened that have separated them. They begin their conversation by bringing up shared memories, those of skiing and vacationing together. Interspersed in their memories is a discussion of fission, as each scientist tries to feel the other one out, wondering where they are in their research. But the different politics, that of Nazism and the occupation of Denmark, as well as the Holocaust, keep interfering with the free flow of their conversation.

The three characters continue to discuss a mix of quantum physics—using metaphors of skiing to help explain the science—and personal tragedies, like the loss each family has felt upon the death of one son each. Then the two men go for their famous walk. While they walk, Margrethe fills in more personal details about the men's relationship. Upon returning from their walk, Niels's abruptness toward Heisenberg makes Margrethe suspect that whatever Heisenberg has said has deeply upset Niels. After Heisenberg leaves, Niels keeps repeating that Heisenberg cannot be right. When Margrethe asks what Niels is talking about, Niels goes into an explanation of what happens in a nuclear reaction.

Heisenberg, once again in the setting of the afterlife, returns to the discussion. The audience is provided with the beliefs that were held in the 1940s concerning why it would be so hard to create a nuclear bomb. The act ends with the men searching their memories in an attempt to figure out what was actually said at their meeting and why Heisenberg had come to visit. Their memories conflict on certain details, so no clear conclusion is reached.

Act 2

In act 2, the men exchange memories of what it was like when they first met, how they used to walk together to help them think, and how they inspired one another's creative thought processes. They also talk about the effect their discoveries had on the world at large. They mention the names of other scientists in their field and how their theories of complementarity and uncertainty—and the "whole Copenhagen Interpretation"—came about. Margrethe suggests, as the men recount the development of their relationship, that maybe that is why Heisenberg came to Copenhagen in 1941. Maybe he wanted to get back to those earlier days when the relationship between Heisenberg and Niels was stronger and more productive. But immediately after positing this suggestion, Margrethe withdraws it. She reminds the men that they did not create their theories together. "You didn't do any of those things together," she tells them. Then she recalls how, even though they spent a lot of time together, they actually did their best work when they were apart.

At this point, the men turn to their metaphors for quantum physics and the difficulties in the evolving foundation of the science. There were contradictions and quarrels among the leading physicists as to how to proceed and how to calculate the data they were conceiving. Even Heisenberg and Niels fought. "You were the Pope and the Holy Office and the Inquisition all rolled into one!" Heisenberg tells Niels, referring to the fact that Niels tended to have the last word in the development of quantum physics at that time. Niels's word was revered in the sciences. But both Niels and Heisenberg were puzzled by the way quantum physics worked. The actions of a detached electron do not always follow the path that Heisenberg's mathematical structure suggested it should. "It was a fascinating paradox," Niels says.

In the end, Niels points out, after their three years of collaborative research and hypotheses, the two men changed the world. "Not to exaggerate," Niels says, "but we turned the world inside out!"

As the second act closes, the three characters return, once again, to the meeting in 1941. They discuss all the pressures they were feeling at the time. The conversation returns to the atomic bomb. Niels reminds Heisenberg that the reason Heisenberg was not able to create the bomb was that he forgot to work out a mathematical equation. Heisenberg, Niels suggests, made an assumption that turned out to be false. The solving of the mathematical equation would have showed Heisenberg his error, Niels claims. Meanwhile, Margrethe catches comments the men make that are not quite the truth. She digs deeper into what they are saying and makes them admit their personal reasons behind some of their decisions. She especially confronts Heisenberg, who tries to claim that he suffered during that time, that he was a victim. "On your hands and knees?" Margrethe says. "It's my dear, good, kind husband who's on his hands and knees! Literally." She is referring to the fact that Niels ultimately had to be smuggled out of Denmark to Sweden before the Nazis came to take him away to a concentration camp. He moved from Sweden to England, and eventually to the United States. Heisenberg then confesses that he was involved in Niels's successful escape to Sweden. He was the one who had sent word that the Nazis were coming for Niels.

MEDIA ADAPTATIONS

• In 2002, PBS, in association with the British Broadcasting Company (BBC), produced a DVD of Copenhagen, starring Stephen Rea as Bohr, Daniel Craig as Heisenberg, and Francesca Annis as Margrethe.

The play closes on a philosophical note. The three characters remind one another that they, at the end of their lives, will turn to dust, as will their children. No more decisions will have to be made, Niels says, because at some point there may be "no more uncertainty, because there's no more knowledge." Then Heisenberg reminds everyone that there is still uncertainty. This is a reference not only to science but also to the fact that no one knows for sure what actually happened at that now famous 1941 meeting.

CHARACTERS

Margrethe Bohr

Margrethe Bohr is the wife of Niels. In real life, she was very close to her husband and very much aware of the details of his work as well as his challenges, both work-related and personal. Margrethe and Niels were a close-knit team; therefore, her participation in the discussions of this play are very significant. She provides a more objective view when the men's discussion becomes bogged down. She also offers a different perspective when the men come to a blockage either in memory or in tone. She chides both men from time to time, pointing out their recall errors. For instance, she reminds them that they accomplished their best work while they were separated, not while they were together. Margrethe also acts as an interpreter for the audience as well as a medium or substitute for the audience. The men remind one another that they must talk in plain language so that Margrethe can understand their concepts. This is done so the audience will not be overwhelmed by scientific jargon.

Niels Bohr

Niels Bohr, in real life, was considered the father of quantum physics. He was at one time a teacher or mentor to Heisenberg. He is older than Heisenberg, who considers Bohr a father figure. Niels was in real life distraught after the meeting with Heisenberg, and in the play he cannot exactly remember what happened on that 1941 night. He remembers that he was upset but he cannot completely put his finger on the reason. He knows it had something to do with fission and thinks he was concerned that Heisenberg might be trying to create a bomb for Nazi Germany. Niels was the theoretician. He imagined concepts that Heisenberg would then take and create practical models from. Niels's warmth for Heisenberg is apparent, despite his concern of what Heisenberg might have created.

Werner Heisenberg

Werner Heisenberg was a German who may or may not have worked for the Nazis. This possibility is very difficult for the Bohrs to deal with, despite the fact that they once considered Heisenberg as a son. Heisenberg, in the play, seems to come to the Bohr's house to either rationalize his involvement in the war or to ask for forgiveness for any hardships the Bohr's have suffered. However, he does this reluctantly. In the process, he also mentions the hardships that he too suffered. He even goes so far as to remind Bohr that it was Bohr who actually influenced the creation of the atomic bomb and not himself. Heisenberg was a student of Bohr's at one time, and that relationship is still apparent, even many years later. Heisenberg honors Bohr, even though he often kids him about being slow. Heisenberg, as portrayed in this play, appears to miss the close relationship that he once had with Bohr.

THEMES

Morality in a Time of War

What is the role of the scientist in a time of war? Frayn appears to ask this question in Copenhagen. Is it the scientist's duty to use the results of the most recent and significant research to help to protect his or her homeland, even if it means the destruction of thousands of lives? Or does a scientist have a moral obligation to use his research to improve life on this planet? Who made the better decision between Bohr and Heisenberg? Was it Bohr, when he helped create the atom bomb, thus saving the world from several cruel dictators, despite the cost to Japan? Or did Heisenberg make a better moral decision, if in fact he did thwart the creation of an atomic bomb and thus disallowed the Nazis the upper hand in World War II? Can one even talk in terms of morality when the discussion of war is raised? Or do all morals go out the window in times of dire circumstances such as a war? These are some of the questions that Frayn raises in his play. And even though these questions are not answered, morality in a time of war is one of the main themes underlying Frayn's play.

Friendship

Another underlying theme of this play is that of friendship, or more specifically, how the social and political circumstances surrounding two people can strain their relationship. No one will ever know for sure how politics interfered with the relationship between the real Heisenberg and Bohr, but Frayn attempts to demonstrate that, even in times of war, fragments of friendship remained intact between the two men, at least on a fictional basis. Despite their contradictory political beliefs, their oppositional positions on either side of a brutal war, and possibly a conflict in their concepts of how scientists should use new discoveries to create destructive weapons, readers come away from Frayn's play with a sense that the deep-seated friendship between Heisenberg and Bohr was not completely eradicated. For example, Heisenberg confesses that he was behind the successful attempts at hiding and ultimately saving Bohr from the Nazis when they came looking for him in Denmark. Frayn also tries to show the depths of the men's relationship by describing it as a father-and-son connection, implying that, no matter what hindrances might be placed between the men, there was no denying that they would be forever linked. The men, according to Frayn, thought alike and promoted and complemented one another's creative and scientific thoughts.

Uncertainty

Uncertainty is one of the concepts behind quantum physics, but it is not only in reference to quantum physics that Frayn uses this theme. There is, of course, the uncertainty of what actually happened between Bohr and Heisenberg during their meeting in 1941. That is one of the main focal points of the story. But uncertainty does not end with this unanswered question. It really only begins there. There is the uncertainty in life itself. Heisenberg discusses some of his wartime experiences; and Bohr talks about the death of his son. As long as there are things to learn and discover, there will be uncertainty, as Frayn relates to his audience at the close of the play.

Power of Science

Bohr's and Heisenberg's discoveries in quantum physics might truly have, as Bohr states in the play, turned the world inside out. Not only did science change but also the view of reality itself was changed with the men's discoveries and theories, which put the men in prominent positions. Their knowledge was coveted by the heads of state of several nations; and both Bohr and Heisenberg became pivotal figures in world politics.

TOPICS FOR FURTHER STUDY

  • Research the later years of such physicists as J. Robert Oppenheimer, Enrico Fermi, Niels Bohr, and Werner Heisenberg. How did these men react to their part in the creation of nuclear weapons and the destruction that was caused by the bombs? Did their lives change because of the bombs? Were they more militant or less so? What activities did they later become involved in that might determine how they felt?
  • Read biographies of Bohr and Heisenberg and then read the letters that Niels Bohr wrote to Heisenberg but never sent (published online at http://werner-heisenberg.unh.edu) and create your own dialogue between these men as they comment on their meeting, their involvement in the development of the atomic bomb, and their concepts of morality during wartime.
  • Read the Geneva Convention rules of war. Then write a paper discussing the various tenets laid out by this document. Do you think the rules of war are moral? Do they go far enough? Would you add more rules? Be specific as to the laws you would discard or reinforce.
  • Pretend you are a scientist some time in the future. Imagine that you have created a scientific breakthrough. How would it help people? How could it harm people? What would be the moral questions that you would have to ask yourself as you considered going public with the results of your research?

Through Frayn's play, the reader grasps the significance of this political power, as well as the responsibility behind it. Frayn helps the reader realize the tremendous burden that falls on the shoulders of geniuses such as Heisenberg and Bohr—people whose intelligence allows them to create paradigm shifts in the way people all over the world think and perceive existence.

Fate

One of the more subtle themes of this play is fate. Consider the world, Frayn seems to be saying, if Heisenberg had created the atomic bomb and given it to the Nazis. What would the world be like if that had happened? As fate would have it, no matter what the reason that Heisenberg did not create the bomb—whether intentionally or by error—the explosion of the atomic bomb ended the war and eventually led to the supremacy of military power in the United States. If fate had also dictated that Bohr was killed while trying to flee Denmark to escape the Nazis, or if Bohr had been captured by the Nazis, the United States might not have been able to produce an atomic bomb. There is also the possibility that if Heisenberg and Bohr had not been brought together by fate in the first place, quantum physics may never have been imagined.

STYLE

Setting

Frayn's play takes place in the afterlife, as three characters reminisce about, and try to sort through, particularly interesting details of their lives. By placing these characters in the afterlife, Frayn has the freedom to allow speculation and reflection. The characters are able to come together and focus on their relationships, how they unfolded, what they entailed, and how they affected not only one another and their families but the world at large. In the afterlife, the characters are free to question one another's actions and motives; they can challenge one another's beliefs and memories; and they can look back more objectively, since their human egos no longer exist. The threats that existed during their lifetimes no longer concern them. They are able to see the consequences of their actions, which adds more weight to their decisions, and they can afford to be philosophical about the passions that drove their lives, without the psychological burdens that might have blinded them while they were still alive.

Talking Heads

There are no props involved in this play except for three chairs. The main focus is on the three characters and their accounts of the Copenhagen meeting between Heisenberg and Bohr, their discoveries, and their relationships. There is also little action other than the characters sitting and standing or varying their positions as they concentrate on one another. The heart of the play is a long, detailed discussion. No one leaves the stage but rather wanders off to the side if not included in the present conversation.

Since the play involves historic figures and a complicated branch of science, the characters must relay a wealth of information about themselves and their scientific discoveries to an audience that might know next to nothing about the lives of the characters and their impact on society. In order to do this, the characters bring up personal stories from their past, they use metaphors, and they provide everyday examples that illuminate some of the principles of quantum physics.

Conflict

The conflict in Frayn's play can be seen as a search for truth. There are three people involved in this play and each of them has their own version of what happened during that 1941 meeting. Each character offers an opinion of that night and an opinion of the effects that their relationships had on each other. Although the premise of the play is the search for the truth, the reader comes away wondering if there is one truth that all three characters would agree on. Each character's interpretation varies slightly from the others, possibly providing a germ of truth to the whole, but parts of each version conflict with the other character's versions.

For example, there is the question about Heisenberg's loyalties. Was he sympathetic with the Nazis? And if so, how deeply? The search for the truth of this question has deep implications, especially since Bohr was Jewish. Then there is the question of whether Heisenberg was working on the atomic bomb. Did Bohr believe this to be true? And if so, is that why he went to the United States to help that nation produce the atomic bomb first? Would Bohr have done that if he did not believe that Heisenberg would have done it first for Germany? There is also the conflict that is implied in each man's decision to become involved in the production of such a catastrophic weapon.

Balance of Forces

Although there is conflict in this play—among the characters as well as within each character—there is also a balance of forces. Bohr and Heisenberg, in other words, are equally matched. Both men have exceptional intelligence. They both worked toward a similar goal in science. They helped one another and were both equally capable of understanding and applying fission. Their discussion and arguments are equally believable. Another example of this balance is the male characters' attempts to keep their discussions on an even keel with Margrethe, who in many ways represents the reader. They keep their language in lay terms so that the science they discuss can be easily understood. This brings the reader into the discussion, thus keeping the balance even. The play would be senseless to most spectators and readers if the male characters became lost in an esoteric dialogue about quantum physics.

HISTORICAL CONTEXT

Werner Heisenberg

Heisenberg was born in 1901 in Würzburg, Germany, and as an adult he was the head of Nazi Germany's nuclear energy program. In school, he majored in physics and by the time he entered graduate school, at the University of Munich, it was widely accepted that the quantum theory as created by Niels Bohr was faulty. Heisenberg took it upon himself to figure out the quantum mechanics that would correct it. Toward this goal, in 1925, he created matrix mechanics. Two years later, he came to a conclusion that would be called the Uncertainty Principle, which states: the more precisely a position is determined, the less precisely the momentum is known in that instant, and vice versa. This was and still is a major principle of quantum physics. It was in that same year, 1927, that Heisenberg worked with Bohr in Copenhagen to create what would be called the Copenhagen Interpretation, which became the underlying interpretation of quantum mechanics.

At the end of World War II, Heisenberg, along with several other German scientists, was imprisoned and sent to England. He was later released and returned to Germany, where he continued in his role as teacher at the Max Planck Institute for Physics and Astrophysics. He was awarded the Nobel Prize in physics in 1932, for his discovery of allotropic forms of hydrogen.

Heisenberg was also a distinguished classical pianist. He was married to Elisabeth Schumacher, and the couple had seven children. He died in 1976.

Niels Bohr

Bohr was born in 1885 in Copenhagen. He received his doctorate in physics at Copenhagen University in 1911. Upon graduation, he worked on the problem of the structure of the atom. Eventually he created a new model of the atom and its electrons, which included the idea of quanta. His model helped physics move forward, despite inaccuracies that were later discovered in his theory. His concept was, however, finally proved to be correct.

In 1922, Bohr received the Nobel Prize in physics. He continued his research after winning the prize and created the theory of complementarity, which suggested that an electron might be both particle and wave. During the war, Bohr sheltered many Jewish scientists who escaped from Germany's Nazi regime. It was Bohr who leaked the information to the United States government that Germany was trying to build an atomic bomb. He and his family had to secretly leave Denmark and flee to Sweden, to escape the Nazis. He later spent time in the United States and was involved in the Manhattan Project at Los Alamos. He later had second thoughts about the bomb and, in 1955, created the Atoms for Peace Conference in Geneva.

Bohr spent most of his life in Denmark, where he was a professor at the University of Copenhagen. In 1920, he founded the Institute for Theoretical Physics and remained the Institute's director until his death. He married Margrethe Nørlund upon graduating from college, and the couple had six sons, one of whom was also a Nobel Prize winner. He died from a stroke in 1962.

The Manhattan Project and the Bomb

As rumors began circulating, around 1939, that the Germans were developing an atomic bomb, the United States government realized it must begin its own program. General Leslie Groves, a member of the Army Corps of Engineers, headed this plan, which was later termed the Manhattan Project.

There were several significant research programs going on simultaneously in the United States at that time, but it was at the University of Chicago, where scientists were studying atomic theory, that the first controlled nuclear reaction occurred on December 2, 1942. This portion of the program was managed by physicist Enrico Fermi, who had immigrated to the United States from Italy.

The next problem that scientists had to solve was the creation of the fuel for an atomic bomb. This undertaking occurred at a facility called Oak Ridge, located in Tennessee. The task was to separate the nuclear fuel U-235 from U-238, natural uranium. In the state of Washington, the Hanford Engineer Works produced plutonium.

J. Robert Oppenheimer was assigned the task of identifying the most qualified scientists and engineers to work on the Manhattan Project. He would go on to direct the facilities at Los Alamos, New Mexico. It was at Los Alamos that a group of scientists from all over the world would create the bombs. The plant in Tennessee eventually produced the fuel, U-235, which was taken to Los Alamos and used in the bomb referred to as Little Boy. The plutonium from Hanford was used in the bomb that was called Fat Man.

Little Boy was dropped on the city of Hiroshima, Japan. Over 66,000 people were immediately killed, and another 69,000 were injured. With the effects of radioactivity, it was estimated in 1945 that a total of at least 140,000 people died due to the dropping of Little Boy. Three days after the first bomb was dropped, the bomb called Fat Man exploded over Nagasaki, Japan. It has been estimated that at least another 70,000 people were killed by this explosion.

The Bohr-Heisenberg Meeting

Germany had conquered most of Europe and was threatening to take over Russia when Heisenberg traveled to Denmark to visit with his old teacher and former collaborator. The Danish physicist was living in the so-called Residence of Honor in Copenhagen, a palatial home reserved for the most distinguished scientist in Denmark. In turn, Bohr often entertained visiting scientists from other countries, so it was not unusual for Bohr to receive Heisenberg as a guest, despite the tension that had developed in their relationship due to the hostile Nazi occupation of Denmark.

In spring 1941, Heisenberg had discovered the possibility of a chain-reaction that might occur in the splitting of the atom, the power of which he realized could be used to create a nuclear bomb. Later that year, he accepted an invitation to speak at a conference in Denmark, thus giving him a chance to meet with Bohr. They met sometime in the middle of September. There were no records kept at the meeting, but in 1956, fifteen years after the meeting, a journalist, Robert Jungk, wrote a book about the meeting, which was translated into English two years later as Brighter than a Thousand Suns. The book contained part of a letter that Heisenberg had written to Jungk, explaining the meeting Heisenberg had with Bohr.

Upon reading Jungk's book, Bohr drafted several letters addressed to Heisenberg. However, he never sent these letters and never had the letters published. After Bohr's death, Margrethe sealed these letters with other personal papers of her husband's. Until recently, the only published account from the Bohr family related to that meeting was contained in an article written in 1964 by Aage Bohr called The War Years and the Prospects Raised by the Atomic Weapons.

Another book, Heisenberg's War (1993) by Thomas Powers, was published about this topic. Powers's book inspired the ideas contained in Frayn's Copenhagen. In 2002, the remaining members of the Bohr family decided to end the speculation concerning the infamous meeting, and they opened the unpublished letters that Bohr had written. Copies of these documents can be found at http://www.nbi.dk/NBA/papers/introduction.htm. At http://werner-heisenberg.unh.edu/ readers can find copies of responses from the Heisenberg family.

CRITICAL OVERVIEW

Copenhagen has won praise from audiences and critics alike, as well as several prestigious awards. It also has gained the attention of academics. Jonothan Logan writes in American Scientist that, although he found the play to be "quick, clever and artfully plotted," he is concerned about Frayn's alteration of the historical facts and his rearrangement of "the moral landscape the real Bohr and Heisenberg inhabited." Logan contends that Frayn's reliance on Thomas Powers's book Heisenberg's War for the content of his play was faulty because the Powers book was flawed and thus "won little respect from historians."

Another scholar, Paul Lawrence Rose, writing for the Chronicle of Higher Education, begins his article: "Scholars are never satisfied when they see their specialized subjects turn fodder for stage, screen, or novels." Rose is a specialist on Heisenberg and he praises Frayn for developing "through his often electric dialogue a synergy on stage that has made the play a success." Rose even goes so far as to state that there has not been another play that "has achieved the brilliance of Copenhagen in rendering the technical discussion of scientific ideas dramatically convincing and, at the same time, accessible to scientists and non-scientists alike." But Rose has problems with Frayn's depictions of the characters. In particular, he questions Frayn's depiction of Heisenberg: "Was Heisenberg really the character depicted so sympathetically on stage? Was his attitude toward Nazism really so ambivalent, or so justifiable, as Frayn variously suggests?"

Despite the controversy of historical fact versus Frayn's dramatic presentation, there is hardly anyone who has criticized the artistic value and presentation of the play. Washington Post reviewer Nelson Pressley concludes that Copenhagen is "as ingenious as advertised." Pressley even comments that, despite arguments against Frayn's "fairly sympathetic view of Heisenberg," the play is still a worthy creation:

Frayn entertains so many possibilities in this play, and is so direct about the stakes… that it's hard to imagine Copenhagen being invalidated by anything short of a complete transcript of the meeting [between Bohr and Heisenberg].

Jules Becker, in the Worcester, Massachusetts Telegram and Gazette, suggests that if nothing else, Frayn's play should excite the audience, inspiring them to go back to the textbooks and dig into history a little deeper to come to their own conclusions about the real-life counterparts of the characters depicted in the play. Becker observes: "Copenhagen may not ultimately explain whether Heisenberg visited Bohr to help the Nazis or to stymie their effort. Yet it does make a cogent argument for understanding the scientists along with their science and the importance of a science-friendly public."

Seattle Times reviewer Misha Berson calls Copenhagen a "brilliant, demanding play." Jack Kroll in Newsweek writes: "Frayn creates riveting suspense and, without dumbing down the dialogue, makes the discussion of matters like quantum physics and matrix mathematics seem like revelations of character." And Washington Post writer Peter Marks points out: "Good writing has a way of relaxing the spirit in much the manner that a session in the hot tub releases the tension in one's neck and back, and Michael Frayn, author of the Tony-winning play, is in this regard a stress-relief wizard."

The questions that circle around the real-life Bohr-Heisenberg meeting may never be answered either in history or in drama, but Frayn's attempt in Copenhagen continues to inspire discussion. Whether it answers any questions, and indeed whether it is historically factual, is immaterial to many audience members and critics alike, including Julia M. Klein, who writes in the Chronicle of Higher Education: "All the letter writers, so intent on being right, are busy pounding a metaphorical mattress with a hammer. They haven't noticed that readers long ago started rolling their eyes."

CRITICISM

Joyce Hart

Hart is a freelance writer and author of several books. In this essay, Hart focuses this essay on the various roles that the character Margrethe portrays in Frayn's work.

There are three characters in Michael Frayn's award-winning play Copenhagen, and the main focus of the play is on only two of them, Niels Bohr and Werner Heisenberg. This leaves the third character, Margrethe Bohr, in a very special position, one that changes depending on the needs of the play. In her various roles, Margrethe sometimes acts as the moderator of the discussions between Bohr and Heisenberg. At other times she plays out her role as wife and protector of Bohr. In different situations, Margrethe is representative of the general audience, someone in need of explanations in order to become more deeply involved in the dialogue. And in yet different settings, she is provides details for the audience's sake. In studying Margrethe's role, readers can get a better grasp on how Frayn smoothed out the flow of his play, a work that might otherwise have come across as a dry dialogue between two intelligent men whose esoteric language might not have been translatable to a general audience. Margrethe's role also offered Frayn a chance to add drama, background information, and interest to the otherwise scientific discussion.

It is Margrethe who opens the play with the question: "But why?" And it is this question that drives the play. Everyone wants to know why Heisenberg decided to come to the Bohr's house that night in 1941, while the city of Copenhagen was occupied by the Nazis. Why take the risk? What were Heisenberg's motives? And ultimately, what did that meeting accomplish? The actors are portraying three people who have already died, and yet, Margrethe states, these questions still linger like ghosts. As the opening dialogue between Margrethe and her husband continues, Margrethe fills in the background information that sets the tone of the play. She mentions the war, the occupation, and the fact that in Germany's eyes, she and her husband are the enemy. And although by the end of the play no one is wiser as to what occurred during Bohr's and Heisenberg's meeting, Margrethe provides the first clue in the play concerning the consequences or outcomes of these two scientists coming together on that night: "I've never seen you as angry with anyone as you were with Heisenberg that night," Margrethe offers. She also mentions that after that meeting, the friendship between the two men ended. So within just a few sentences, Margrethe has taken the audience back to that night, with all its tension and apprehension, preparing the audience for the discussion between the two scientists, which is yet to begin.

In the next section, Margrethe acts as a counterpoint to Bohr's memories of Heisenberg. Every time Bohr mentions something nice that he remembers, Margrethe contradicts him. This provides the audience with a fuller picture, a more colorful portrayal of Heisenberg. Bohr thinks of Heisenberg as a part of the family, for example, while Margrethe says there was something alien about Heisenberg. And when Bohr uses positive adjectives to describe Heisenberg, such as quick, eager, and bright, Margrethe turns these compliments toward the negative, stating that Heisenberg was too quick, too eager, and too bright. However, even Margrethe softens a little later in the play and upgrades the way the men themselves describe their relationship. They refer to it as a business association, whereas Margrethe likens their connection to that of father and son. But no matter if she is condoning Heisenberg or praising him, her comments add complexities to the plot. Was Heisenberg a good man? Did he have moral perceptions? Or was he manipulative and exploitive? These questions are never clearly answered, but through Margrethe's role, a deeper intrigue is added to the play by her provision of questions and contradictions. These are not easy concepts, Margrethe seems to imply. There are no simple solutions.

As the play progresses, Margrethe returns to the role of information gatherer. She talks about the men's work and about politics. She also acts as historian, providing a more accurate recall of the 1941 meeting. She seems clearer than the men about the details of that meeting, demonstrating, possibly, a more objective vision, but also giving the play a further deepening of complexities. She offers details concerning why Heisenberg was in Copenhagen at that time. He was attending a meeting, of course, but Margrethe adds the fact that the organization that sponsored this meeting was known for spreading "Nazi propaganda." This places Heisenberg in a more precarious position. The Nazi's were exterminating Jews. And Bohr was part Jewish. This makes the audience question whether Heisenberg was a friend or a foe. Bohr states: "Heisenberg is a friend." But back in her role as contrarian, Margrethe counters: "Heisenberg is a German." And she fears Heisenberg's visit will make her countrymen think the Bohrs are collaborating with Heisenberg. So not only is Margrethe questioning the politics of Heisenberg, she is also demonstrating for the audience's benefit, the depth of fear and the possible retribution this visit could have caused. In other words, this is not just a meeting between two friends, an old teacher and his student. It is not just simple curiosity that drives the question "Why did Heisenberg come and what did the two men discuss?" No, there is much more drama going on here. And it is Margrethe's role to emphasize and to clarify this.

In the middle of the first act, Margrethe's role changes a bit. She takes on an air of comedic relief. The men are deep in a discussion of quantum physics, mentioning the infamous Schrodinger's cat, which, according to theory, is both dead and alive at the same time, as long as neither condition is verified. Margrethe interjects at this point, "Poor beast," which provides the audience with a chance to catch its breath. The concepts of quantum physics are very lofty and require mental effort to comprehend. Margrethe's comment allows the audience to laugh, to relax. A little later, when Heisenberg again returns to physics, he comments that "the particle has met itself again, the cat's dead." To this, Margrethe says, "And you're alive." This comment might also arouse a giggle from the audience, but it is a double-edged sword. It sounds funny, coming immediately after Heisenberg's statement, but her comment also links back to an earlier discussion about why Heisenberg is still teaching physics in Germany, when most other physicists have already left the country. Margrethe's statement that Heisenberg is still alive is a subtle reference that she believes he is in an alliance with the Nazis. A few lines later, Margrethe returns more definitely to the side of comedy, when Bohr references how many times a theory of his had to be changed. Each time her husband mentions a change, Margrethe brings the discussion back to the audience by remarking on how many times she had to retype Bohr's paper. She again breaks the monotony of scientific dialogue, bringing the common person in the audience something easier to think about, something everyone can relate to—the tedious work that is involved in even the loftiest concepts.

WHAT DO I READ NEXT?

  • A Landing on the Sun: A Novel (2003) is representative of Frayn's novel writing. This book presents a mystery about Brian Jessel, a member of Great Britain's cabinet office, whose death is somewhat suspicious.
  • For a funnier side of Frayn, try reading his play Noises Off (1982), a sexual farce that is actually two plays in one: the first of which is acted out on stage, and the second of which follows the disastrous events that occur backstage immediately following the presentation onstage, as bumbling actors and stagehands stumble through the production.
  • An Experiment with an Air Pump (1998), a play by Shelagh Stephenson, is set in two different time periods, 1799 and 1999. The focus of the first time period is on scientist Joseph Fenwick, who struggles with a mix of his own ambitions and desires for progress with his moral beliefs. In the second time period in the late twentieth century, his counterpart, a female genetic researcher, does the same. Many philosophical and social issues are discussed in this play.
  • Proof (2001) won the Pulitzer Prize for drama for its author, David Auburn. This play is centered on math and science, but only obliquely. It really explores love, relationships, genius, and madness.

Close to the end of act 1, Bohr mentions that he and Heisenberg must talk in a language that is clear to Margrethe. He says they must use "plain language." But what is interesting is that Margrethe also has a request of sorts. She does not ask them to speak in plain language, but rather she asks that they look inside and speak the truth. She mentions the fact that Heisenberg used to refer to her husband as the Pope. This is not, according to Margrethe, because Heisenberg thinks of Bohr as a "spiritual father" as he proclaims, but because he wants "absolution." She suggests that the reason that Heisenberg came to see Bohr was to be forgiven for what he was about to do—help create the atomic bomb for the Nazis. And once she points this out, the conversation between Bohr and Heisenberg becomes more enlivened. The men drop the scientific details and begin to speak of feelings and the morality of war. Margrethe now has taken on the role of the truth detective. She is quiet for a long time as the men hash out their mutual roles in the development of atomic weaponry. And as they do this, Margrethe is listening. When the men reach a certain point just shy of a conclusion, she spurs them forward. She corrects their perceptions and prods them in a more honest direction. And out comes the truth (at least the dramatic truth if not the real truth). Thus through Margrethe, the play feels as if it has come to some sort of conclusion, despite the fact that there are still many questions left unanswered.

In act 2, Margrethe again focuses on truth-gathering as she sums up the closest thing to a reason that the play offers for Heisenberg's visit to Copenhagen. Whether this is factual truth or truth according to the playwright, it is Margrethe who mouths it. After a long dialogue between the characters about the accomplishments of both Bohr and Heisenberg, Margrethe faces Heisenberg with some interesting information. She states a catalog of events, such as Heisenberg's published paper on the uncertainty theory, which ensures him teaching positions at prestigious educational institutions. She references how young he was. "The youngest full professor in Germany," Bohr says, reinforcing Margrethe's comment. Margrethe states this fact of Heisenberg's youth to build up Heisenberg, to put his accomplishments in front of the audience. But her real motive is not to make Heisenberg a hero. She has another idea completely. She is back in her contrarian's role. Just as soon as she has poured over his credits, she slams the door in his face. "You came to show yourself off to us," Margrethe says, claiming this as the only true reason for Heisenberg's visit. "You've come to show us how well you've done in life." And in the play, at least, Heisenberg confesses this is true. Margrethe has further bared the truth. And as she says, her perceiving the truth leads others to admit to more truth. "A chain reaction. You tell one painful truth and it leads to two more." Here her character cleverly uses atomic reaction as a metaphor.

And so, through her various roles, Margrethe adds depth, comic relief, a search for honesty, and a possible conclusion. Her character, although not in the spotlight, is what binds the other characters with the audience and keeps the play lively and on track. Without the character of Margrethe, Frayn would not have had a vehicle through which to add dramatic effect. Using Margrethe in this way, Frayn can allow his two scientist characters to renew memories, discuss physics, and question their moral decisions without constantly pausing to explain themselves. The character of Margrethe may play a supportive role, but it could easily be proclaimed that she is what holds the play together.

Source:

Joyce Hart, Critical Essay on Copenhagen, in Drama for Students, Thomson Gale, 2006.

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Paul Lawrence Rose

In the following review-essay, Rose discusses the multiple perspectives included in Copenhagen and their effects on the audience and science historians.

Scholars are never satisfied when they see their specialized subjects turn fodder for stage, screen, or novels. The adaptor, like the translator, is by definition something of a traitor to his topic. There are so many pitfalls awaiting the artistic magus. He can get an essential personality wrong, as Peter Shaffer may have done with his hyperactive Mozart in Amadeus, or worse, with his Salieri, whom the playwright slanders as a murderer. Or he may get the facts of a historical situation wrong, as Rolf Hochhuth allegedly did in recounting Pius XII's nonreaction to the Holocaust in the 1963 play The Representative.

In such cases, specialists inevitably carp, and at conferences and in faculty-club chatter, they attempt to recapture the dignity of precision by the renewed staking out of violated scholarly turf. But can that sacred turf ever be fully reclaimed once its invasion has been so publicly observed and, worst of all, when the disreputable artistic distortion of fact has been rapturously received by the laity as an improvement on the arid original? Scholarly exactitude may command its tens of admirers, but poetic license hath its tens of thousands.

These gloomy thoughts of a pedantic specialist on Werner Heisenberg are prompted by the arrival on Broadway of what is being hailed as the play of the year, Michael Frayn's Copenhagen, which opened in April at the Royale Theater. The drama revolves around the notorious encounter, in September 1941 in Copenhagen, between Heisenberg, Nazi Germany's brightest star in physics, and his old mentor and friend, Niels Bohr, then a partly Jewish citizen of Nazi-occupied Denmark, and later, at Los Alamos, N.M., a key mind behind the creation of a nuclear-fission bomb. The play is an intermittently fascinating jeu d'esprit that flutters around the uncertain nature of knowledge—both personal and scientific. With just three characters—Heisenberg, Bohr, and Bohr's wife, Margrethe—Frayn develops through his often electric dialogue a synergy on stage that has made the play a success at London's Royal National Theatre and ensured its production not only in New York, but in France, Germany, and Denmark, as well as prompting conferences in London, in New York, in Amiens, at Dartmouth College, and in Copenhagen itself.

What explains all this commotion? Of course, physicists are so pleased to see any reasonably interesting picture on stage of their often hermetic lives that they have flocked to the play, but then physicists are hardly a large enough contingent to regularly fill a theater. The trendy issue of the "two cultures," however, ensures that any serious attempt at bridging the gap between scientists and nonscientists will appeal to our academic consciences; this year, the University of Pennsylvania had the bright idea of making Copenhagen required reading for all freshmen.

The play cleverly exploits parallels between the questioning by humanistic postmodernists of historical facts and the questioning by constructivists of scientific facts. To oversimplify considerably, constructivists might consider particle physics to be fanciful belief system molded by social and cultural factors, with no more underlying truth than alchemy. That's a notion that may hold some appeal for select scholars of the history of science.

Would it be cynical to suggest, however, that it has equal charm for the lion's share of viewers, who might find it reassuring to learn that the science they know so little about might just be pie in the sky anyway? If all is unknowable, then does it matter that I got a D on all those problem sets in organic chemistry and became an investment banker?

Nor should one omit the work's sheer theatricality, talky as it may be. As it flits dizzyingly from philosophy to physics to politics to personality to history, there's no time for the audience to get a real grip on any of the crucial points at issue. At intermission, viewers happily recall how they didn't quite understand this or that bit, but how brilliant it all seems.

What's wrong with that? The intellectual vertigo induced by Frayn's quicksilver writing may be intended to capture some of the intellectual excitement inherent in the discoveries of science, and of life. But the price we pay for the dramatic thrill Frayn has concocted—the sacrifice of historical and scientific truth—is simply too great. The Copenhagen experience carries the audience along headily on a scientific roller coaster. Forget about understanding just look at the views!

Copenhagen is a kind Rashomon—like treatment of a central historical episode, but one refracted through a postmodernist lens and complicated by philosophical ideas derived (a little too glibly) from the quantum mechanics pioneered by Heisenberg and Bohr—such oftmisunderstood, if oft-cited, concepts as Heisenberg's uncertainly principle and Bohr's complementary principle. The limits of knowledge, of knowledge of others, of oneself, of the external world of politics and mortality; the plasticity of memory; the impossibility of arriving at definitive moral judgments—this is the heady stuff of Copenhagen. The 20th century has seen at least two remarkable plays that drew their inspiration from the world of science—Bertolt Brecht's Life of Galileo and Friedrich Durrenmatt's The Physicists—but none has achieved the brilliance of Copenhagen in rendering the technical discussion of scientific ideas dramatically convincing and, at the same time, accessible to scientists and nonscientists alike.

But even the play's admirers may have felt a certain unease. Was Heisenberg really the character depicted so sympathetically on stage? Was his attitude toward Nazism really so ambivalent, or so justifiable, as Frayn variously suggests? Did the meeting really take the former rather forms—that Frayn depicts? On a more general level, must our historical knowledge of people and events inevitably be as foggy as Frayn paints it?

If we can come nearer the historical truth of the meeting than Frayn's uncertainty principle allows, then the glittering decor of Copenhagen may turn out, indeed, to be constructed on false historical foundations that undermine its whole intellectual edifice. And here pipes up the aggrieved author, who has devoted two chapters of his recent book to analyzing the Copenhagen visit from both its scientific and moral standpoints. For the central facts of the visit are really not in doubt, even if some people like Frayn refuse to face them.

Frayn, of course, might object that facts, here, are irrelevant. After all, he affects to be an entertainer rather than a historian (although in his printed postscript, he likes to play the historian). The play is certainly full of entertaining anecdotes and mannerisms. It's a pity, though, that Frayn's eye for the picturesque didn't select such gems as Heisenberg's barging in on a dismayed Einstein after the war, or Heisenberg's sickening postwar meeting with the physicist Max Born that degenerated into an anti-Semitic tirade and ended with Heisenberg's spitting at his former teacher. Or, while at Copenhagen, his enthusing to colleagues there about the current Nazi conquest of Europe.

Moreover, historians have been able to discover a few things about Heisenberg's visit that undermine Frayn's claims of unknowability. We know, for a start, that Heisenberg went there on an intelligence mission triggered by a Swedish press report that the Allies were working on a bomb. Heisenberg's intimate friend was the physicist Carl-Friedrich von Weizsacker (who in recent years has finally conceded that in 1939 and 1940 he was willingly working to produce a bomb for Hitler). Alarmed by the Swedish report, Weizsacker discussed the bomb race with his father, Ernst, a senior official in the German Foreign Office later convicted at Nuremberg of war crimes. Soon after the father-son discussion, a mission to Copenhagen by Heisenberg and Carl Friedrich was swiftly approved at the highest levels of the Nazi government. The general purpose was to discover if Heisenberg had missed some broad principle necessary to a nuclear-weapons program and to discern if Bohr knew anything about the Allied bomb effort.

At one point during his visit with Bohr, Heisenberg made a crude drawing of a gigantic reactor-bomb, a drawing that reflected an erroneous line of research that his assistants had been pursuing and that was also discussed in an official German report a few months later. Both men would have concluded that such a weapon was a farfetched idea. Without doubt, Heisenberg also wished to have Bohr confirm that the critical mass of uranium 235 required for a true atomic bomb would be on the order of tons, thus ruling out any possibility of its being built. There was no difficulty in Bohr's agreeing with that since, until 1943, when he was informed of the Allied work, Bohr genuinely believed, like Heisenberg, that a bomb was impossible because of that presumed critical mass. That was why Bohr remained reasonably unalarmed on a scientific level by Heisenberg's conversation. It was the moral situation—Heisenberg's working on a bomb for Hitler and pumping Bohr for information—that revulsed him.

Frayn perverts the moral significance of the meeting as well as distorting and suppressing its scientific and political agenda. Frayn instead sees it as emblematic of what is for him the central moral paradox of modernity: Was the saintly Bohr, who helped develop the Allies' nuclear weapons, actually morally inferior to Heisenberg, the acolyte of Nazism, who failed for whatever reason to make a bomb? Put this way, Heisenberg would undoubtedly have been delighted with Frayn's presentation of a case he himself implied but was afraid to make publicly. The bogus moralizing that Heisenberg did dare to utter openly is alluded to in the play: "Does one as a physicist have the moral right to work on the practical exploitation of atomic energy?" Or, as he put it after the war: "[Do] physicists have the moral right to work on atomic problems during wartime?"

Those generalized, vague questions were typical Heisenberg evasions. The real moral issue that Heisenberg should have faced was the very specific one of whether German physicists should have worked-as they didon a bomb for Hitler. For Bohr—who was openly worried about the race toward nuclear fission and, even in late 1943, urged transnational consideration of such a bomb's consequences—the question that confronted him after his arrival in the West was a different one. Was the Nazi evil so great as to justify working on a bomb that would defeat Hitler? The larger issue that confronted Bohr—whether anyone should work on a bomb for any government—was an ethical quandary that the Allies didn't have the luxury of pondering during the emergency of the war, but that became pressing in 1945 and after. It was that more-general question that Heisenberg craftily made the central issue of his wartime work, but that was only after the war, when the moral battlefield had changed.

What influences have led Frayn to shun the fairly straightforward historical and moral facts of the Heisenberg story, in favor of his own peculiar interpretation? Curiously, despite his essential premise of historical uncertainty, Frayn does indeed purport to give an accurate impression of the history of Heisenberg and his involvement in the German atomic project, particularly of his visit to Copenhagen. But as Frayn admits in a lengthy postscript to the painted text, that impression is based largely on Heisenberg's War, a popular 1993 book by the journalist Thomas Powers, whose ignorance of German and physics enabled him to happily fantasize about Heisenberg as a secret resister who knew exactly how to make a bomb, but effectively sabotaged the project by delay or intentional mistakes. Heisenberg, in Powers's view, also became associated with the rescue of the Danish Jews and the July Plot against Hitler. In real life, Heisenberg, like his friend Weizsacker and Weizsacker pere, disapproved of the plot as an act of treason and never justified it even after the war. Frayn, however, advances a notion that was suggested by Ernst von Weizsacker and Heisenberg, and bought by Powers—that the Weizsacker circle clandestinely resisted Hitler and was connected to a German official who tipped off the Danes to the impending deportation of Danish Jews. Ernst von Weizsacker's judges at Nuremberg didn't buy that argument, and nothing found in the historical record since has lent the scenario any more credibility. Powers's quaintly romantic view, as he has conceded, has not found any takers among serious historians. Indeed, there really is no longer any doubt about either Heisenberg's loyalty to the Third Reich or his scientific misunderstanding of an atomic bomb.

Recent research has established the facts of Heisenberg's allegiance to the Reich. Consider his negotiations with Heinrich Himmler to obtain a chair at the University of Munich and Heisenberg's insistence that he be allowed to publish an article in the ss's scientific journal to vindicate, he said, his "honor." Note his visits to occupied Krakow, Holland, and Copenhagen, and his crass comments to his former friends in those places about how marvelous the Nazi conquest of Europe was. Mark his wistful remarks in Switzerland in 1944 about how the war was lost, but "how beautiful it would have been if only we had won," and his truly amazing assertion to Jewish acquaintances in England and America after the war that, if only the Nazis had been given 50 years, everything would have settled down nicely.

The evidence is consistent in showing Heisenberg to have been a brilliant but weak man, whose shallow moral character allowed him to be easily corrupted by his nationalist German sympathies into colluding with Nazism. His ability to rationalize instantly, whatever the circumstances, any path of conduct stood him in good stead after the war, when he concocted his various "versions" of what had happened at Copenhagen and, indeed, of his entire career as scientific chief of the Nazi atomic-bomb project.

As to the scientific aspect, Heisenberg's misconceptions about the nature of an atomic bomb have in the last few years been exposed once and for all by the release and publication of the Farm Hall transcriptstaped conversations of German scientists interned at Farm Hall, England, at the time of Hiroshima—as well as by the availability of the nearly 400 secret wartime reports of the German project of which Heisenberg was the scientific chief. Those sources unequivocally reveal just how crude and wrong-headed Heisenberg's approach was to the theory of the bomb. Although he understood that the bomb would have to use a fast-neutron reaction in nearly pure uranium 235, he misconceived the formula and equation that would have yielded the correct critical mass of uranium on the order of tens of kilograms. Instead, he concluded through false reasoning in 1940 that tons would be required. That scientific error blinded him for the remainder of the war. (He also erred in conceiving of an alternative kind of messy, small-scale of bomb that essentially would have been an exploding reactor—the idea that he discussed with Bohr in 1941.)

It was only after the news of Hiroshima that Heisenberg finally went back to the drawing board and, within a week, concluded that, after all, only kilograms of uranium were needed. Had he realized that in 1940, the German project would certainly have gone into high gear, and perhaps even succeeded.

Frayn refuses to comprehend, or perhaps acknowledge, Heisenberg's scientific misunderstandings. The play does portray Heisenberg as squirming a bit when conceding that on the evening of Hiroshima, he had told Otto Hahn and others that a ton of uranium would be needed for a bomb. But then Frayn allows Heisenberg to explain this away in a manner clearly believable to the author and endorsed in the play's postscript, where Frayn decides, after all, that he will play the role of historian.

Confusingly, Frayn allows Heisenberg to argue that: (a) he had never calculated the critical mass, but was going on a generally accepted intuitive view of a large bomb mass, and (b) he did the detailed calculation using diffusion theory only for a seminar given at Farm Hall on August 14, 1945. Frayn doesn't appear to notice (though some in his audiences have) that even if one were to believe that version of events, it undermines the play's notion of Heisenberg as a saboteur of Hitler's bomb-making effort.

At any rate, Frayn's version is blatantly wrong in one crucial respect. Heisenberg had indeed made an earlier, erroneous calculation, in 1940, yielding a mass of tons, and it is that calculation (based on a random-walk analysis) that Heisenberg explained repeatedly, and in detail, at Farm Hall on August 6, 7, and 9. However, the analysis of the critical mass in the August 14 seminar is quite differently, and correctly, conceived. In the days between August 9 and 14, Heisenberg had desperately gone back to first principles and rethought the whole critical-mass problem.

Frayn trickily alludes in a very vague way to the 1939–40 calculation of tons of uranium in Act I, perhaps expecting his audience to forget that, when the critical mass of tons is raised dramatically at the climax of Act II, it has been arrived at by calculation, not conjured out of thin air. Frayn's sleight of hand camouflages the fact that, at Farm Hall in the first days after Hiroshima, Heisenberg still fervently believed in the technical correctness of his early calculation.

The bottom line is that Heisenberg, like Weizsacker, had been working hard in 1939–40 to make a bomb for Hitler, but—scientifically speaking—was barking up the wrong tree.

Frayn has evidently fallen for some of the more absurd moral justifications by the Axis scientists for their serving the Nazi regime. Those excuses included Heisenberg's sanctimonious comment in 1948 that "I have learned something that my Western friends do not yet completely wish to admit-that in such times almost no one can avoid committing crimes or supporting them through inaction, be he on the German, Russian or Anglo-Saxon side." That self serving statement allowed Heisenberg to pose at least as Bohr's moral equal, perhaps even his superior, and it is a notion that drifts noxiously in and out of Copenhagen.

It is simply monstrous to draw or imply a moral symmetry between Bohr and his disciple. Niels Bohr was a man of the most intense moral awareness, whose integrity has been universally recognized. If he became involved in the Los Alamos bomb project after his narrowing escape from Denmark, in 1943, it was only after his serious ethical misgivings about such a weapon had been overcome by consideration of the immediate evil presented by Nazism. To put a character of Bohr's moral stature on anywhere near the same plane as a superficial, rationalizing sophist like Heisenberg suggests an incomplete knowledge not only of the historical facts, but of human character. Heisenberg never accepted moral responsibility for his role either in the Nazi state or in the Nazi atomic-bomb project.

It was that evasion that drove Heisenberg to invent the Copenhagen version that Frayn obviously prefers. Yet this version was—in the words of Heisenberg's sympathetic British minder, Ronald Fraser, during a second visit to Copenhagen after the war—"a typical Heisenberg fabrication.… He rationalizes that quickly that the stories become for him the truth.… Pitiful, in a man of his mental stature."

"Now no one can be hurt, and no one betrayed," purrs Heisenberg in the play. But the memory of Bohr has been hurt, and Heisenberg's true history betrayed. And Heisenberg is left approvingly with the last treacherous—and banal—words in the play about "some event that will never quite be located or defined… that final core of uncertainty at the heart of things."

The elegiac and exhausted ending of the play is where the accumulation of distortions and mistakes finally turns into something altogether more distasteful. It has the appearances of a Lear-like transcendence of the destructive futility of human striving. We are with three characters, all passion spent, but with Heisenberg having the unanswered final say. He is granted a wrenching speech lamenting the death of his poor "dishonored Germany," which audiences receive as a moving testimony.

It is a spurious absolution, for Heisenberg himself was one of those who made that dishonoring possible through his selfish compromises with the Nazi regimen irony to which Frayn seems oblivious. Frayn's irony, instead, is applied to a vicious denigration of Bohr, "the good man," who emerges by the end as a self absorbed prig, in different to the births and welfare of his own children, who contributed to the deaths of tens of thousands through his work on the Allied bomb.

Bohr is not the only one who turns out to be an unintentional villain. The Allies are in general, and the Jews, too; after all, as Frayn's play points out—in a moment that stuns a New York audience—the true inventors of the bomb, Otto Frisch and Rudolf Peierls, were Jews. Everyone, then, is seen to be guilty, and so everyone is blameless. There is no difference between the Gestapo and British intelligence. The British bombing of Dresden and Berlin is as bad as Hitler's Blitz on British and Polish civilians. Churchill and Roosevelt are amoral power-wielders, just like Hitler (another Heisenberg glibness), and so on.

It all makes one wonder what the Second World War was fought for. Was it just another dreadful mistake like its precursor? Was appeasement, after all, the right policy, as a few radical British historians have argued?

When I first read Copenhagen, I found its elan disarming. But the generally uncritical reception in the last two years and the prospect of more of the same in New York have aroused, no doubt unworthily, a more puritanical feeling. Thanks to the play's chic postmodernism as well as the complexity of its ideas, the subtle revisionism of Copenhagen has been received with a respect denied to such cruder revisionisms as that of David Irving's Holocaust denial. Revisionism it is, nonetheless, and Copenhagen is more destructive than Irving's self evidently ridiculous assertions—more destructive of the integrity of art, of science, and of history.

Source:

Paul Lawrence Rose, "Frayn's Copenhagen Plays Well, At History's Expense," in Chronicle of Higher Education, Vol. 46, No. 35, May 5, 2000, pp. B4–6.

SOURCES

Becker, Jules, "Copenhagen: A Magical Blend of Physics and Dramatic Events," in Telegram and Gazette (Worcester, Massachusetts), May 11, 2002, p. A6.

Berson, Misha, "Frayn's Copenhagen Is Intensely Engaging," in Seattle Times, October 2, 2002, p. F1.

Frayn, Michael, Copenhagen, Methuen, 1998.

Klein, Julia M., "When Plays Touch on History, What Is Truth?" in Chronicle of Higher Education, Vol. 47, No. 38, June 1, 2001, p. 19.

Kroll, Jack, "An Atomic Encounter," in Newsweek, Vol. 135, No. 17, April 24, 2000, p. 73.

Logan, Jonothan, "A Strange New Quantum Ethics," in American Scientist, Vol. 88, No. 4, July–August 2000, pp. 356–59.

Lyall, Sarah, "Ambiguity Fires a Novelist and Playwright," in New York Times, October 25, 1999, p. E1.

MacFarquhar, Larissa, "A Dry Soul is Best," in New Yorker, Vol. 80, No. 32, October 25, 2004, p. 64.

Marks, Peter, "The Physics of Ambiguity, Acutely Observed in Copenhagen," in Washington Post, July 13, 2004, p. C1.

Pressley, Nelson, "Copenhagen: High-Fission Drama," in Washington Post, March 1, 2002, p. C1.

Rose, Paul Lawrence, "Frayn's Copenhagen Plays Well, at History's Expense," in Chronicle of Higher Education, Vol. 46, No. 35, May 2000, pp. B4–B6.

FURTHER READING

Cassidy, David C., Uncertainty: The Life and Science of Werner Heisenberg, W. H. Freeman, 1993.

Cassidy looks at the life and times of Heisenberg as well as at the influences that affected him. A history of quantum mechanics is woven through the story as Heisenberg struggles through trials of exploration.

Frayn, Michael, and David Burke, The Copenhagen Papers: An Intrigue, Picador, 2003.

This book has little to do with Frayn's play. Rather it is based on an interesting development that occurred while the play was in production. It is a dialogue of sorts that occurred between Frayn and Burke (an actor who portrayed Niels Bohr in Frayn's play). It is sometimes funny and always fascinating as the reader witnesses a witty exchange of ideas.

Groueff, Stephane, Manhattan Project: The Untold Story of the Making of the Atomic Bomb, Little Brown, 1967.

This book details the U.S. project of bringing together the most brilliant scientists of the 1940s in an attempt to be the first country to create the ultimate weapon of destruction.

Hey, Tony, and Patrick Walters, The New Quantum Universe, Cambridge University Press, 2d ed., 2003.

Hey and Walters treat the historic moments of discovery in quantum mechanics as well as its applications in the future. This book is accessible for general readers. Such futuristic topics as the nanotechnology revolution, quantum cryptography, computing, and teleportation are also discussed.

Murdoch, D. R., Niels Bohr's Philosophy of Physics, Cambridge University Press, 1989.

In this book, Murdoch explores the background of Niels Bohr's discoveries in physics—in particular, the differences between Bohr's concepts and those of Einstein's are examined, with a special emphasis on Bohr's theory of complementarity.

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