Ornithological studio photographs, 1975.

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Ornithological studio photographs, 1975.

Greenewalt's collection of bird photographs depicting numerous species from all over the world. Several are images that appear in Greenewalt's book, on hummingbirds. Photographs were taken by Greenewalt. Photographs are identified.

20 photonegatives : b&w.383 transparencies : col. ; 35 mm.20 photoprints : b&w mounted on file cards.

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Greenewalt, Crawford H., 1902-1993

http://n2t.net/ark:/99166/w60k2bdz (person)

Crawford H. Greenewalt was an executive with the Du Pont Company and president of the firm from 1948 to 1962. He joined the company in 1922 and served as a supervisor on the nylon project in the 1930s and during the war as technical liason on the Manhattan Project. He was an accomplished amateur photographer and ornithologist and author of a study of hummingbirds (1960). After his retirement from Du Pont, Greenewalt served on a number of corporate boards, business, political, scientific, civic a...