National Museum of Nuclear Science & History
W. F. McDonald worked for the Tennessee Eastman Corporation at the Y-12 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.
Ralph Graves worked for the Tennessee Eastman Corporation at the Y-12 Plant.
