National Museum of Nuclear Science & History
Ossie Parker worked for the Edenfield Electric Company.
John Venerable was a guard at the Chicago Met Lab 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.
Timmerman worked at the 300 Area at Hanford during the Manhattan Project.