Overview

Crawford H. Greenewalt (1902-1993) was a brilliant chemical engineer, an expert manager and DuPont’s 10th president. During the 1930s, he was a key contributor to Charles Stine’s program of pure research and helped supervise the development of nylon. In 1941 he was assigned to Manhattan Project to act as a liaison between University of Chicago physicists and DuPont engineering and construction crews. During the construction of the Hanford Engineer Works, he impressed his counterparts by quickly developing a keen understanding of the physics of nuclear reactors.

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