National Museum of Nuclear Science & History
David Greenglass (1922-2014) was a machinist and member of the Special Engineer Detachment who engaged in espionage activities for the Soviet Union at Los Alamos during the Manhattan Project.
Robert E. Johnson was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Gunhild Swanson was a staff worker at Los Alamos during the Manhattan Project.
F. C. Liepman worked for the Tennessee Eastman Corporation at the Y-12 Plant.
