National Museum of Nuclear Science & History
G. P. Happ worked for the Tennessee Eastman Corporation at the Y-12 Plant.
T. A. Gamble worked for Clinton Laboratories at the X-10 Reactor.
Charles F. McKnight served as a captain in the 393rd Bombardment Squadron. He was regularly assigned to the B-29 Top Secret.
Smith worked at the 200 West Area at Hanford during the Manhattan Project.