National Museum of Nuclear Science & History
Fred Smith worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Joseph H. Heartberg was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Thomas Cowley was a Military Policeman assigned to Post Security at Los Alamos, New Mexico during the Manhattan Project.
Hamilton worked at the 200 West Area at Hanford during the Manhattan Project.
M. B. Stringfellow worked for the Edenfield Electric Company.
