National Museum of Nuclear Science & History
Don Ross worked for the Union Carbide & Carbon Corporation.
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.
Ralph Watson worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Robert E. Keister served in the 393rd Bombardment Squadron.