National Museum of Nuclear Science & History
P. D. Simpson worked for the Poe Piping & Heating Company.
Robert Kupp joined the Manhattan Project at Oak Ridge in January 1945. Kupp was a supervisor in the Line Recorder Department at K-25, where he monitored a mass spectrometer that determined the concentration of various material in the cascade while it was being processed.
J. A. Elkins worked for the Edenfield Electric Company.
