Charles V. Youmans

Henry E. Fritz

Henry Fritz was a chemist in the Special Engineering Detachment assigned to the K-25 Plant in Oak Ridge, Tennesee.

Martin L. Aronow

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

Robert H. Dunlop

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.