National Museum of Nuclear Science & History
Hays worked in the United States Engineer District Office
Wayne L. McComas served in the 1st Ordnance Squadron.
Harold was a staff member at Los Alamos during the Manhattan Project.
Thomas Hill served in the 1st Ordnance Squadron.
Robert C. Hirt was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.