M. E. Ritchie

P. K. Bushnell

John P. Baker

John Baker worked for the Roane-Anderson Company.

Robert Kupp

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.

Clifford Clark