National Museum of Nuclear Science & History
H. D. Collins worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Eugenie Procopio worked for the United States Engineer District Office.
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.
John Costa worked at the shop in the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
