National Museum of Nuclear Science & History
Harold Seward worked for the Roane-Anderson Company.
Elizabeth Younghanse 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.
Edith Tenney was a nurse at Los Alamos during the Manhattan Project. She was married to SED Gerold Tenney.
Jean Marley O’Leary began working for General Leslie Groves in June 1941, when she was hired as his personal secretary.