National Museum of Nuclear Science & History
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 W. Castater served in the 320th Troop Carrier Squadron.
Robert Paulsen was a laboratory helper at the Chicago Met Lab.