National Museum of Nuclear Science & History
Charles Youmans worked for the Tennessee Eastman Corporation at the Y-12 Plant.
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.
Martin Skinner was born and raised in Michigan, just outside of Detroit. He was trained in Chemical Engineering at Michigan State University before joining the army.