National Museum of Nuclear Science & History
P. E. Brooks worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Manuel Betes served in the 393rd Bombardment Squadron as an Army Corporal.
Leo J. Czaja served in the 603rd Air Engineering Squadron.
Gilbert Mathis was an electrical engineer at Los Alamos from 1943 to 1946. He was recruited for the Manhattan Project as a member of the US Army Signal Corps.
Brock worked for the United States Engineer District Office.