National Museum of Nuclear Science & History
W. H. Seaman worked for the United States Engineer District Office.
Arthur Garry worked for the Midwest Piping and Supply Company.
Percival C. “Dobie” Keith was Vice President for Research and Engineering for the M.W. Kellogg Company.
Sheffield Gordon was an associate chemist at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.