National Museum of Nuclear Science & History
H. R. Elliott worked for the Fercleve Corporation.
Joe R. Brown served as a corporal in the 393rd Bombardment Squadron. He was the radar operator regularly assigned to the B-29 Some Punkins.
Fred Vaslow, a physical chemist, began working on the Manhattan Project while a graduate student at the University of Chicago.
Harry Petcher's flat feet meant he couldn't be drafted, but still had an obligation to work for the war effort.