National Museum of Nuclear Science & History
Hugh Barnett worked for the Union Carbide & Carbon Corporation at Manhattan, NY and Oak Ridge, TN during the Manhattan Project.
G. N. Smith worked for the Roane-Anderson Company.
Leon O. Jacobson was Associate Director of the Health Division and Section Chief of H-I, Clinical Medicine and Medical Research, at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
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.