Crawford Greenewalt

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Crawford Hallock Greenewalt
Born	(1902-08-16)August 16, 1902 Cummington, Massachusetts
Died	September 27, 1993(1993-09-27) (aged 91) Wilmington, Delaware
Alma mater	Massachusetts Institute of Technology (SB, 1922)
Scientific career
Fields	Chemical Engineering
Institutions	DuPont

Crawford Hallock Greenewalt (August 16, 1902 – September 28, 1993) was an American chemical engineer who was president of the DuPont Company from 1948 to 1962, and chairman from 1962 to 1967.

Early life

Crawford Hallock Greenewalt was born in Cummington, Massachusetts, the son of Frank Lindsay Greenewalt and Mary Hallock-Greenewalt, an inventor and pianist born in Beirut. In 1922, he earned a Bachelor of Science degree in chemical engineering from Massachusetts Institute of Technology, where he joined Theta Chi fraternity.^[1] He later became a Life Member of the MIT Corporation in 1951, and emeritus in 1977.

Career

While at DuPont, Greenewalt was a key figure in their development of nylon and their nuclear power program. He was awarded the Lavoisier Medal for Technical Achievement by the DuPont Company in 1991.

His widely varied interests included ornithology and high-speed photography via his friend Harold E. "Doc" Edgerton. Greenewalt published a book of 70 high-speed photographs of hummingbirds in 1960 (Greenewalt, C.H. 1960. Hummingbirds Doubleday & Co., Garden City, New York.). And later, Dimensional relationships for flying animals Washington. Smithsonian Institution, 1962. In 1968, he published Bird Song. Acoustics and Physiology Smithsonian Institution Press, Washington, D.C. He was president of the American Philosophical Society.

Greenewalt is the subject of the film The Uncommon Man: Crawford H. Greenewalt, produced by the Atomic Heritage Foundation.

Personal life

Greenewalt and his wife Margaretta (née Du Pont) had two sons, Crawford "Greenie" Greenewalt Jr. (1937-2012) and David Greenewalt, and daughter, Nancy L. Frederick. The younger Crawford was a professor of classical archaeology at the University of California, Berkeley who was among the leaders of the Archaeological Exploration of Sardis. David died in 2003.

Greenewalt died in Wilmington, Delaware in 1993, one day after having a stroke.^[2]

References

^ The Rattle of Theta Chi, Summer 1954, p. 8.
^ Staff report (September 29, 1993) Crawford Greenewalt of DuPont Dies. MIT Tech Talk (Volume 38, Number 8)
^ Science, Carnegie (2014-11-10). "John Mulchaey - Director". Carnegie Institution for Science. Retrieved 2020-01-09.

External links

Wikiquote has quotations related to Crawford Greenewalt.

1965 Audio Interview with Crawford Greenewalt by Stephane Groueff Voices of the Manhattan Project
Crawford Greenewalt at IMDb
In memoriam: Crawford H. Greenewalt
The Crawford Greenewalt Manhattan Project Diaries
Finding aid for Crawford Greenewalt photograph collection at Hagley Museum and Library

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