National Museum of Nuclear Science & History
Harold Hoover was a member of the Special Engineer Detachment during the Manhattan Project. He worked as a filter foreman at the Y-12 Plant, but his real job was in counterintelligence, to ensure no sabotage occurred.
D. G. Graham worked for the Tennessee Eastman Corporation at the Y-12 Plant.
J. A. Duane Muncy was a staff worker at Los Alamos during the Manhattan Project. He was married to fellow project worker Bernice I.
