National Museum of Nuclear Science & History
Barrett worked for Stone and Webster Engineering Corporation.
Floyd A. Lemley served in the 603rd Air Engineering Squadron.
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”).
Morton David was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
