National Museum of Nuclear Science & History
James J. Nickson was a medical doctor and Section Chief of H-III Medical Industrial Hazards and Health Physics in the Health Division at the University of Chicago Met Lab.
Roy W. Carlson was an engineer. He worked on the Manhattan Project at Los Alamos and the University of California, Berkeley, as a member of the Explosives Division and Group X-2A.
Joseph Levinger was a research associate at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.