National Museum of Nuclear Science & History
Robert Plott was a research assistant at the Chicago Met Lab during the Manhattan Project.
R. L. Whitefort worked for the Kellex Corporation at the K-25 Plant.
R. H. Kennedy worked for the United States Engineer District Office.
Richard Emanatian was with the military police detachment at Los Alamos during the war. He maintained secrecy through the rest of his life, and his family only found about his involvement long after his death.