National Museum of Nuclear Science & History
Butts worked for Stone and Webster Engineering Corporation.
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.
J. H. Sterner worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Eugenia M. Jackson was a laboratory technician in the Health Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.