National Museum of Nuclear Science & History
H. W. Caldwell worked for the Edenfield Electric Company.
Rosie M. Hunter was a laboratory technician in the Health Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Lawrence Kimpton was the Chief Administrative Officer at the University of Chicago Metallurgical Lab, serving there from 1943 to 1945.
Harvey R. Milligan served in the 1st Ordnance Squadron.
