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.
B. A. Howle served in the 509th Headquarters and Base Services Squadron.
F. L. Casey worked for the J.A. Jones Construction Company.
