National Museum of Nuclear Science & History
Morton David was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
C. W. Cryer worked for the Midwest Piping and Supply Company.
Klaus Fuchs (1911-1988) was a German theoretical physicist and spy who worked at Los Alamos during the Manhattan Project and passed atomic secrets to the Soviet Union.
Victor Waithman worked for the Tennessee Eastman Corporation at the Y-12 Plant.