National Museum of Nuclear Science & History
R. J. Dunbar worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Parr worked in the 200 East and 100 D Areas at Hanford during the Manhattan Project.
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.