National Museum of Nuclear Science & History
C. R. Frazier worked for the Poe Piping & Heating Company.
Adele Koskosky was a laboratory technician in the Chemistry Division at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Richard Brown served in the 1st Ordnance Squadron.
Roy Bonsib was a research associte at the Metallurgical Laboratory in Chicago during the Manhattan Project.