"Ammann, Othmar." A Dictionary of Architecture and Landscape Architecture. . Encyclopedia.com. (September 19, 2018). http://www.encyclopedia.com/education/dictionaries-thesauruses-pictures-and-press-releases/ammann-othmar
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Ammann, Othmar Hermann
Othmar Hermann Ammann (ôt´mär, ŏ´mŏn), 1879–1965, American civil engineer, b. Switzerland, grad. Federal Polytechnic Institute, Zürich, 1902. He came to the United States in 1904 and was naturalized in 1924. He served (1925–39) with the Port of New York Authority and was its director of engineers from 1937 to 1939. An authority on bridges, he participated in either the designing or the construction of Hell Gate, George Washington, Robert F. Kennedy (formerly Triborough), Bronx-Whitestone, and Verrazano-Narrows (at its opening in 1964, the longest and heaviest suspension bridge in the world) bridges in New York City, and San Francisco's Golden Gate Bridge.
"Ammann, Othmar Hermann." The Columbia Encyclopedia, 6th ed.. . Encyclopedia.com. (September 19, 2018). http://www.encyclopedia.com/reference/encyclopedias-almanacs-transcripts-and-maps/ammann-othmar-hermann
"Ammann, Othmar Hermann." The Columbia Encyclopedia, 6th ed.. . Retrieved September 19, 2018 from Encyclopedia.com: http://www.encyclopedia.com/reference/encyclopedias-almanacs-transcripts-and-maps/ammann-othmar-hermann