National Museum of Nuclear Science & History
William Feldman worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Thomas R. Williams was a laborer at the University of Chicago’s Metallurgical Lab (“Met Lab”) during the Manhattan Project.
Kelleher was a Sergeant who worked at Hanford during the Manhattan Project.
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.