National Museum of Nuclear Science & History
Collins worked for Stone and Webster Engineering Corporation.
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.
David Nicodemus (1916-1999) was an American physicist. Nicodemus worked at Los Alamos during the Manhattan Project and witnessed the Trinity Test.
Mary Whidden was a staff worker at Los Alamos during the Manhattan Project.