National Museum of Nuclear Science & History
John Brolley was a research assistant at the Metallurgical Laboratory in Chicago during the Manhattan Project.
V. E. Helgesen worked for the William A. Pope Company.
Lawrence Antos was a member of the Military Police at Los Alamos. His primary responsibility was checking the passes of civilians entering and exiting Los Alamos.
Max Lipschitz served in the 393rd Bombardment Squadron.