National Museum of Nuclear Science & History
John Roberts was a staff worker at Los Alamos during the Manhattan Project.
Madeline Sohn was a research assistant in the chemistry division at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Klaus Fuchs (1911-1988) was a German theoretical physicist and spy who worked at Los Alamos during the Manhattan Project and passed atomic secrets to the Soviet Union.
Stanley Stief attended Pennsylvania State University. He remained in the Oak Ridge area, working first for the government and later for Union Carbide.
Sidney Williams was a janitor at the University of Chicago’s Metallurgical Lab (“Met Lab”) during the Manhattan Project.
