Leighton B. Ewell

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.

Fred Whitehead

Fred Whitehead was a staff member at Los Alamos during the Manhattan Project.

Francis J. Eder

Robert T. Feathers