National Museum of Nuclear Science & History
E. C. Wagner worked for the United States Engineer District Office.
George Mallinckrodt was a physicist at the Manhattan Project’s Los Alamos, NM facility. He also worked at Argonne National Laboratory, the successor of the University of Chicago’s Metallurgical Laboratory (“Met Lab”).
Beth Olds was a secretary at the University of Chicago Met Lab and at Oak Ridge, Tennessee. After the war, she became executive secretary for the Emergency Committee of Atomic Scientists and the Atomic Scientists of Chicago, publishers of the Bulletin of the Atomic Scientists.