National Museum of Nuclear Science & History
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.
James A. Beatson served in the 1st Ordnance Squadron.
Robert JS Brown was a member of the Special Engineer Detachment at Los Alamos. He worked under Don Hornig on the electrical aspects of detonation for the plutonium bomb.
August Balestri was a laboratory assistant at the Metallurgical Laboratory in Chicago during the Manhattan Project.