National Museum of Nuclear Science & History
S. A. Wrightman 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.
Stewart worked for Stone and Webster Engineering Corporation.
Eleanor Caldwell was a laboratory technician in the Health Division at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
