National Museum of Nuclear Science & History
R. H. Martin worked for the United States Engineer District Office.
Robert Harrison was an engineer in the Special Engineering Detachment (SED) in Oak Ridge, Tennessee from August 1944 to August 1945.
Philip G. Koontz was a research associate at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Floyd K. Renfro served in the First Ordnance Squadron.
