National Museum of Nuclear Science & History
Sheffield Gordon was an associate chemist at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
G. C. Hyneman worked for the Edenfield Electric Company.
Millard Sloan was a chemical operator at the Y-12 Plant in Oak Ridge, Tennessee from 19445 to 1947. Sloan was a Tennessee native who served in India with the 12th Air Cargo Re-supply Squadron of the US Army before working at Oak Ridge.