National Museum of Nuclear Science & History
William Gray worked for the Roane-Anderson Company.
Sheffield Gordon was an associate chemist at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
T. J. O’Donnell was the Shop Chief at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Herbert G. “Mac” MacPherson (1911-1993) was an American nuclear engineer. MacPherson’s expertise on graphite made him a valuable consultant for the Manhattan Project.
