National Museum of Nuclear Science & History
Felix Sandoval was a staff worker at Los Alamos during the Manhattan Project.
Raymond Dujack was a young lab technician at the Special Alloyed Materials (SAM) Laboratories at Columbia University.
Carl C. Mason served as a private first class in the 393rd Bombardment Squadron. He was a member of the ground crew regularly assigned to the B-29 Up An’ Atom.
F. A. Davis worked for the Tennessee Eastman Corporation at the Y-12 Plant.