National Museum of Nuclear Science & History
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. L. Flagg worked for the Watson-Flagg Engineering Company.
R. H. Elder worked for the Edenfield Electric Company.
Raymond Dujack was a young lab technician at the Special Alloyed Materials (SAM) Laboratories at Columbia University.
