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.
Robert H. Byrd served as a staff sergeant in the 393rd Bombardment Squadron. He was the radio operator regularly assigned to the B-29 Some Punkins.
Stanley Rentschler served in the 1395th Military Police Aviation.
