National Museum of Nuclear Science & History
Leon J. Vrana served in the 320th Troop Carrier Squadron.
Haskell Sheinberg arrived at Los Alamos in late 1944 as part of the Special Engineer Detachment. Sheinberg’s first assignment was to purify plutonium under the direction of Arthur Wahl, one of the co-discoverers of plutonium.
Frederick D. Clayton served as a staff sergeant in the 393rd Bombardment Squadron. He was a member of the ground crew regularly assigned to the B-29 Bockscar.
