National Museum of Nuclear Science & History
Schroeder worked at the 200 West Area at Hanford during the Manhattan Project.
Lawrence S. Payton served in the 320th Troop Carrier Squadron.
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.
Richard Emanatian was with the military police detachment at Los Alamos during the war. He maintained secrecy through the rest of his life, and his family only found about his involvement long after his death.