National Museum of Nuclear Science & History
A. O. Seidel worked for the Asbestos & Magnesia Materials Company.
J. Nardi worked for the Edenfield Electric Company.
Thomas Guilfoyle was a member of the Military Police at the University of Chicago's Metallurgical Lab from 1943 to 1945.
C. W. Hess served in the 509th Headquarters and Base Services Squadron.
