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.
Edward C. Sullivan worked for the Tennessee Eastman Corporation at the Y-12 Plant. After the war, he worked on the first rockets for North American Aviation, later Rocketdyne.
