National Museum of Nuclear Science & History
F. J. McManus worked for the J.A. Jones Construction Company.
John Armstrong worked for the Kellex Corporation at the K-25 Plant.
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.
Willard E. Gaskins served in the 320th Troop Carrier Squadron.
