National Museum of Nuclear Science & History
D. W. Cardwell worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Elton H. Turk was a research assistant at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Crawford Greenewalt (1902-1993) was an American chemical engineer. He was one of the managers of the Manhattan Project for DuPont.
Phyllis O. Levy worked as a mathematician and “computer” at Oak Ridge during the Manhattan Project.