National Museum of Nuclear Science & History
Jas Welch worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Vlacil worked at the 300 Area at Hanford during the Manhattan Project.
Chester Twork served in the 393rd Bombardment Squadron.
Roy W. Carlson was an engineer. He worked on the Manhattan Project at Los Alamos and the University of California, Berkeley, as a member of the Explosives Division and Group X-2A.
