National Museum of Nuclear Science & History
R. B. Jacobs worked for the Kellex Corporation at the K-25 Plant.
R. D. Arthur worked for Clinton Laboratories at the X-10 Reactor.
J. B. Work 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.
Norene Mann was a secretary at the University of Chicago Met Lab. She worked for Nobel laureate James Franck, but often also acted as a secretary for Leo Szilard.