James H. Hanson

William J. McGraw

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.

J. L. Peterson

R. J. Dunbar

R. J. Dunbar worked for the Tennessee Eastman Corporation at the Y-12 Plant.