National Museum of Nuclear Science & History
Halpern worked in the United States Engineer District Office.
Arthur Julius Olofson joined the Manhattan Project at Los Alamos in June 1944. Olofson developed specialized tools for components of the atomic bomb under Dr.
Lawrence S. Payton served in the 320th Troop Carrier Squadron.
John Crawford was a physicist and research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
