National Museum of Nuclear Science & History
D. Chelnik served in the 390th Air Service Group.
Oscar J. Thigpen served as a corporal in the 393rd Bombardment Squadron. He was a member of the ground crew regularly assigned to the B-29 Top Secret.
Louise Warner was a research assistant in the health division of the Chicago Met Lab during the Manhattan Project.
Marietta C. Moore was a technician in the Health Division at the University of Chicago Met Lab. She signed the Szilard petition.
