National Museum of Nuclear Science & History
Lillian Guadagna was a technician at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
R. M. Pylant worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Paul Sperling was a staff worker at Los Alamos during the Manhattan Project.
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.
