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.
Walton A. Rodger was an American chemical and metallurgical engineer. Rodger received a Ph.D. in chemical engineering from the University of Illinois.
