National Museum of Nuclear Science & History
Hayes worked in the United States Engineer District Office.
Gerald F. Smith served in the Special Engineer Detachment at Los Alamos, NM during the Manhattan Project.
A. H. Weil worked for the United States Engineer District Office.
Norman W. Ray served as a captain in the 393rd Bombardment Squadron.
Stanley G. Davis was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.