Carl C. McDade

A. W. Alexander

A. W. Alexander worked for the Tennessee Eastman Corporation at the Y-12 Plant.

C.G. Nielsen

Nielsen worked at the 300 Area at Hanford during the Manhattan Project.

H. Jack Blackwell

Crawford H. Greenewalt

Crawford Greenewalt (1902-1993) was an American chemical engineer. He was one of the managers of the Manhattan Project for DuPont.