National Museum of Nuclear Science & History
Joseph Hirschfelder was an American physicist. He held doctorates in physics and chemistry from Princeton University.
William J. Jacks served as a corporal in the 393rd Bombardment Squadron. He was a member of the ground crew regularly assigned to the B-29 Straight Flush.
Paul Petretzky worked for the Tennessee Eastman Corporation at the Y-12 Plant.
