National Museum of Nuclear Science & History
Patricia Lear was a laboratory technician in the Health Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Kenneth L. Cohn was a research associate at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Leonard Reed was a janitor at the Metallurgical Laboratory in Chicago during the Manhattan Project.
James Osborn was a member of the Special Engineering Detachment at Los Alamos.
