National Museum of Nuclear Science & History
Clark Center was a Manhattan Project veteran, who was the general superintendent and later President of the Union Carbide Nuclear Division in Oak Ridge.
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.
Roy Loebe worked for the Tennessee Eastman Corporation at the Y-12 Plant.
