National Museum of Nuclear Science & History
Clarence Grover Sproul worked as a machinist on the Manhattan Project in Los Alamos, NM from January through June 1945.
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.
