National Museum of Nuclear Science & History
Harold Smith worked for the Kellex Corporation at the K-25 Plant.
Thomas F. Costa served as a 1st lieutenant in the 393rd Bombardment Squadron. He was the bombardier regularly assigned to the B-29 Some Punkins.
John Topham worked for the Edenfield Electric Company.
Grace Townsend served in the Women’s Army Corps at Los Alamos during the Manhattan Project.
