National Museum of Nuclear Science & History
Lawrence Sperry worked for the United States Engineer District Office.
Crawford Greenewalt (1902-1993) was an American chemical engineer. He was one of the managers of the Manhattan Project for DuPont.
Joseph Largur served in the 603rd Air Engineering Squadron.
Jay Wechsler enlisted in the Army in 1943 and spent several months at Oak Ridge working as an Army construction engineer, In the winter of 1943, he was suddenly transferred to Los Alamos, where he began working directly with Otto Frisch.
