By jdubble07
(2020-05-22)Crawford Greenewalt was an American chemical engineer who served as president of the DuPont Company from 1948 to 1962 and as board chairman from 1962 to 1967.
Crawford Greenewalt was an American chemical engineer who served as president of the DuPont Company from 1948 to 1962 and as board chairman from 1962 to 1967.