National Museum of Nuclear Science & History
P. D. Simpson worked for the Poe Piping & Heating Company.
Doris Dixon was a laboratory assistant in the Chemistry Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Andrew G. Demo served in the 393rd Bombardment Squadron.
Marjorie B. Housewright was a stenographer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.