National Museum of Nuclear Science & History
Frank Jordan worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Chester J. Krajewski 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.
Paul V. Russell served in the 1027th Air Material Squadron.
William Penney (1909-1991) was a British mathematician and physicist. William Penney’s first assignment of the war was a research position with the Royal Navy, studying collisions, explosions and shockwaves and searching for ways to use hydrodynamics to assist the navy.