National Museum of Nuclear Science & History
Charles A. Varga served in the 603rd Air Engineering Squadron.
Cathcart worked in the United States Engineer District Office.
Raymond C. Grills is an American physical chemist who worked at the University of Chicago’s Metallurgical Laboratory and at Hanford during the Manhattan Project.
Roderick W. Spence was an American physical chemist who worked on the Manhattan Project at Los Alamos.
