National Museum of Nuclear Science & History
Mary Littleton worked for the J.A. Jones Construction Company.
C. E. McGill, Sr. worked for the Kellex Corporation at the K-25 Plant.
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.
