National Museum of Nuclear Science & History
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.
Fred Bruntz worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Richard Emanatian was with the military police detachment at Los Alamos during the war. He maintained secrecy through the rest of his life, and his family only found about his involvement long after his death.
Edward Norris, an English interior decorator, played a surprising and significant role in the quest to make the gaseous diffusion process a reality.