National Museum of Nuclear Science & History
Roderick W. Spence was an American physical chemist who worked on the Manhattan Project at Los Alamos.
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.
Robert Coveyou worked for Clinton Laboratories at the X-10 Reactor.