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Nikolai Ivanovich Vavilov

Nikolai Ivanovich Vavilov

The Russian botanist and geneticist Nikolai Ivanovich Vavilov (1887-1943) is noted for his theory on the origin of cultivated plants and his law of the homologous series of inherited variation.

Nikolai Vavilov was born on Nov. 25, 1887, probably in Moscow, into a wealthy merchant family. Having decided to specialize in agriculture and biology, he entered the Agricultural Academy at Petrovsko-Razumovskoe. In 1913 and 1914 he continued his education at the School of Agriculture, Cambridge University, studying under Sir Rowland Biffen, and at the John Innes Horticultural Institution, working with William Bateson, a pioneer geneticist. Vavilov first established his scientific reputation by publishing papers on the immunity of cereals to fungus diseases, explaining immunity in terms of Mendelian factors, systematics, and plant physiology.

Upon returning to the former Soviet Union, Vavilov began to devote his attention to the origin of cultivated plants. Between 1916 and 1933 he traveled in Iran, Afghanistan, the Mediterranean area, Ethiopia, Somaliland, Japan, Korea, Formosa (now Taiwan), Mexico, and Central and South America, as well as many regions within the Soviet Union. The initial conclusions of his study appeared in The Centers of Origin of Cultivated Plants (1926). As a consequence of the expeditions of Soviet plant investigators to 60 countries between 1923 and 1933, Vavilov was able to list at least 8 centers with rich varieties of cultivated plants: the oldest in central and western China, India and Burma (now Myanmar), central Asia, the Near East, the Mediterranean region, Ethiopia, Mexico and Central America, and the South American nations of Peru, Ecuador, and Bolivia. In connection with these researches, Vavilov discovered the law of the homologous series of inherited variation, which states that closely related species tend to develop parallel hereditary variations. On the basis of this empirical law he had hoped to predict the direction of the evolution of established species and the emergence of new biological species.

From 1917 to 1921 Vavilov was professor at the University of Saratov, after which he was assigned to the Bureau of Applied Botany in Petrograd (now St. Petersburg). In 1923 he was appointed director of the State Institute of Experimental Agronomy, serving until 1929. From 1924 to 1940 he was the director of the All-Union Institute of Applied Botany and New Crops (renamed the All-Union Institute of Plant Growing). In 1929 he was elected a full member of the Academy of Sciences and became president of the Lenin All-Union Academy of Agricultural Sciences; he served as vice president of the latter organization from 1935 until 1937. He was also director of the Institute of Genetics of the Soviet Academy of Sciences for a decade after 1930. It is estimated that between 1921 and 1934 Vavilov was involved in organizing over 400 research institutes and experimental stations with a total staff of about 20, 000. In 1939 he was invited to become president of the International Congress of Genetics, and in 1940 he was elected a foreign member of the Royal Society of Great Britain.

Vavilov was a tireless and dedicated scientist; his major goal was to overcome the Soviet Union's agricultural backwardness by modern scientific theories and methods. However, he was more successful in stimulating the output of scientific papers at a time when Soviet agricultural productivity was decreasing and consequently left himself open to the criticism that he failed to merge theory with practice. Trofim Lysenko and his followers started to attack Vavilov's leadership and support of modern genetics. In 1936 the Congress on Genetics and Agriculture was convened in Moscow with the obvious purpose of discrediting Vavilov and genetics. Three years later the Conference on Genetics and Selection vilified Vavilov; his speech defending genetics was greeted with heckling and interruptions. In 1940 Vavilov was arrested, placed in a concentration camp at Saratov, and then transferred to a Siberian forced-labor camp located in Magadan. He died on Jan. 26, 1943, a broken man, a victim of quackery and Stalinist tyranny. In 1956 the Soviet Academy of Sciences ordered the republication of Vavilov's works, apparently in an effort to rehabilitate him.

Further Reading

Only scattered and brief biographical articles on Vavilov have appeared in Russian and English newspapers and journals. His The Origin, Variation, Immunity and Breeding of Cultivated Plants (trans. 1951) is valuable for his scientific work. For accounts of the decline of Vavilov and genetics in the Soviet Union see Julian Huxley, Soviet Genetics and World Science (1949), and Conway Zirkle, ed., Death of a Science in Russia (1949).

Additional Sources

Popovskiei, Mark Aleksandrovich, The Vavilov affair, Hamden, Conn.: Archon Books, 1984. □

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Vavilov, Nikolai Ivanovich

VAVILOV, NIKOLAI IVANOVICH

(18871943), internationally famous biologist.

Nikolai Ivanovich Vavilov achieved international fame as a plant scientist, geographer, and geneticist before he was arrested and sentenced to death on false charges of espionage in 1940. Born into a wealthy merchant family in pre-revolutionary Russia, Vavilov was renowned for his personal charm, integrity, and international scientific prestige. He graduated from the Moscow Agricultural Institute in 1911, continued his studies of genetics and horticulture in Europe the following year, and in 1916 led an expedition to Iran and the Pamir Mountains to search for ancestral forms of modern agricultural plant species. "The Law of Homologous Series in Hereditary Variation," his first major theoretical contribution, published in Russia in 1920 and then in the Journal of Genetics, argued that related species can be expected to vary genetically in similar ways.

Vavilov spoke many languages and traveled extensively throughout the United States and Europe to meet with colleagues and study scientific innovations in agriculture. He is best known for The Centers of Origin of Cultivated Plants (1926), in which he established that the greatest genetic diversity of wild plant species would be found near the origins of modern cultivated species. Until 1935 he organized expeditions to remote corners of the world in order to collect, catalog, and preserve specimens of plant biodiversity. In the Soviet Union Vavilov was a powerful advocate and organizer of scientific institutions, and he tirelessly promoted research in genetics and plant breeding as a means of improving Soviet agriculture. Vavilov was director of the Institute of Applied Botany (19241929), a member of the USSR Academy of Sciences, director of the All-Union Institute of Plant Breeding (19301940) and the Institute of Genetics (19331940), president and vice-president of the Lenin All-Union Academy of Agricultural Sciences (19291938), and president of the All-Union Geographical Society (19311940).

Vavilov's increasingly vocal and uncompromising opposition to the falsification of genetic science propagated by Trofim Lysenko and his followers culminated in his arrest in 1940. His death sentence was commuted to a twenty-year prison term in 1942; he died of malnutrition in a Saratov prison one year later. Vavilov is considered a founding father in contemporary studies of plant biodiversity. He left an important legacy as one of the great Russian scientific and intellectual figures of the early twentieth century.

bibliography

Graham, Loren R. (1993). Science in Russia and the Soviet Union. New York: Cambridge University Press.

Krementsov, Nikolai. (1997). Stalinist Science. Princeton, NJ: Princeton University Press.

Popovskii, Mark Aleksandrovich. (1984). The Vavilov Affair. Hamdon, CT: Archon Books.

Yvonne Howell

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"Vavilov, Nikolai Ivanovich." Encyclopedia of Russian History. . Encyclopedia.com. 23 Oct. 2017 <http://www.encyclopedia.com>.

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Vavilov, Nikolai Ivanovich

Nikolai Ivanovich Vavilov (nyĬkəlī´ ēvä´nəvĬch vəvē´ləf), 1887–1943?, Russian botanist and geneticist. He is reported to have died in a Soviet concentration camp after losing political favor to Trofim Lysenko, whose theories he opposed. He served earlier as professor at the Leningrad Agricultural Institute and as director of the All-Union Institute of Plant Industry. In 1918 he discovered in Transcaucasia a variety of wheat that grows at an altitude of nearly 3,000 ft (914 m) and is resistant to rust and mildew. His genetic study of wheat variations led to an attempt to trace the locales of origin of various crops by determining the areas in which the greatest number and diversity of their species are to be found. In 1936 he reported that his studies indicated Ethiopia and Afghanistan as the birthplaces of agriculture and hence of civilization. Vavilov divided cultivated plants into those that were domesticated from wild forms, e.g., oats and rye, and those known only in the cultivated form, e.g., corn. After the ouster and death of Lysenko, Vavilov's work regained prestige in the Soviet Union. His Immunity of Plants to Infectious Diseases (1918) includes a summary in English.

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"Vavilov, Nikolai Ivanovich." The Columbia Encyclopedia, 6th ed.. . Encyclopedia.com. 23 Oct. 2017 <http://www.encyclopedia.com>.

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"Vavilov, Nikolai Ivanovich." The Columbia Encyclopedia, 6th ed.. . Retrieved October 23, 2017 from Encyclopedia.com: http://www.encyclopedia.com/reference/encyclopedias-almanacs-transcripts-and-maps/vavilov-nikolai-ivanovich

Vavilov, NikolaiIvanovich

Vavilov, NikolaiIvanovich (1887–1943)A Russian plant geneticist whose extensive field studies, in Iran, Afghanistan, Ethiopia, China, and Central and South America, led him to the view that the greatest variation in species occurs in certain restricted areas (centres of diversity) which he believed identified the regions in which those species originated (centres of origin). He returned from his travels with a large collection of specimens he intended to use for study and to breed new varieties. He was professor of botany at the University of Saratov (1917–21) and later became head of the Lenin All-Union Academy of Agricultural Sciences. He was elected a member of the Academy of Sciences of the USSR in 1929, and a foreign member of the Royal Society of London in 1942. He was opposed by T. D.Lysenko, who had him removed from his positions in 1940, and Vavilov is believed to have spent the years from 1940 in prison and to have died at Magadan, Siberia.

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"Vavilov, NikolaiIvanovich." A Dictionary of Ecology. . Encyclopedia.com. 23 Oct. 2017 <http://www.encyclopedia.com>.

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"Vavilov, NikolaiIvanovich." A Dictionary of Ecology. . Retrieved October 23, 2017 from Encyclopedia.com: http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/vavilov-nikolaiivanovich

Vavilov, Nikolai Ivanovich

Vavilov, Nikolai Ivanovich (1887–1943) A Russian plant geneticist whose extensive field studies, in Iran, Afghanistan, Ethiopia, China, and Central and S. America, led him to the view that the greatest variation in species occurs in certain restricted areas (centres of diversity) which he believed identified the regions in which those species originated (centres of origin). He returned from his travels with a large collection of specimens he intended to use for study and to breed new varieties. He was professor of botany at the University of Saratov (1917–21) and later became head of the Lenin All-Union Academy of Agricultural Sciences. He was elected a member of the Academy of Sciences of the USSR in 1929, and a foreign member of the Royal Society of London in 1942. He was opposed by T. D. Lysenko, who had him removed from his positions in 1940. Vavilov is believed to have spent the years from 1940 in prison and to have died at Magadan, Siberia.

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"Vavilov, Nikolai Ivanovich." A Dictionary of Plant Sciences. . Encyclopedia.com. 23 Oct. 2017 <http://www.encyclopedia.com>.

"Vavilov, Nikolai Ivanovich." A Dictionary of Plant Sciences. . Encyclopedia.com. (October 23, 2017). http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/vavilov-nikolai-ivanovich

"Vavilov, Nikolai Ivanovich." A Dictionary of Plant Sciences. . Retrieved October 23, 2017 from Encyclopedia.com: http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/vavilov-nikolai-ivanovich