National Museum of Nuclear Science & History
Benjamin Nelson served in the Army at Los Alamos during the Manhattan Project.
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.
C. E. Knox worked for the Roane-Anderson Company.
