National Museum of Nuclear Science & History
Mary Stephens worked for the United States Engineer District Office.
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.
Attended the University of Arkansas.
Robert L. Butenhoff worked in the Instrument and Physical Measurements Group in Clinton Laboratories at the X-10 Reactor.
