National Museum of Nuclear Science & History
H. H. May worked for the J.A. Jones Construction Company.
Jas Lysaght worked for the Tennessee Eastman Corporation at the Y-12 Plant.
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.
Jack Widowsky served as a second lieutenant in the 393rd Bombardment Squadron. He was regularly assigned to the B-29 Top Secret.