Crawford Greenewalt was an engineer, best known for Hummingbirds.
Quick Facts About Crawford Greenewalt
Born
August 16, 1902
Died
September 28, 1993
Profession
Engineer
Notable works
Hummingbirds
About Crawford Greenewalt
Crawford Hallock Greenewalt was an American chemical engineer who was president of the DuPont Company from 1948 to 1962, and chairman from 1962 to 1967.
