National Museum of Nuclear Science & History
Frank Graham worked for the Midwest Piping and Supply Company.
E. Frank Miller was working at DuPont’s Belle Works in August 1943 when he was recruited to the TNX segment of DuPont working on the Manhattan Project by Dr.
Joseph Hans worked in the shop at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
C. D. Brown worked for the Edenfield Electric Company.
