National Museum of Nuclear Science & History
Ralph worked at the 300 Area at Hanford during the Manhattan Project.
David Halsey worked for the J.A. Jones Construction Company.
Harold L. Stough served in the 390th Air Service Group.
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.
