National Museum of Nuclear Science & History
Henry Wigen worked for the United States Engineer District Office.
William Kunkle worked for the Roane-Anderson Company.
N. B. Walsh 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.
