National Museum of Nuclear Science & History
Jesus Royball was a staff worker at Los Alamos during the Manhattan Project.
Mollie Sprio was a stenographer at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Harry Gold was an American laboratory chemist who was convicted of being a courier for a number of Soviet spies during the Manhattan Project, including Klaus Fuchs.
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.