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.
B. Speyers worked for the Union Carbide & Carbon Corporation.
L. H. Roberts worked for the H. K. Ferguson Company.
