National Museum of Nuclear Science & History
Clark Royer worked for the United States Engineer District Office.
David Carsen worked for the Kellex Corporation at the K-25 Plant.
John Wilkes worked for the Roane-Anderson Company.
J. R. McClellan worked for the Roane-Anderson Company.
Alfred Pfanstiehl was a junior physicist at the Chicago Met Lab during the Manhattan Project. Pfanstiehl was a signatory of the Szilard Petition, an attempt to avert military use of the atomic bomb against Japan.