National Museum of Nuclear Science & History
Clara Scharing was a staff worker at Los Alamos during the Manhattan Project.
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.
Hayes worked at the 300 Area at Hanford during the Manhattan Project.