National Museum of Nuclear Science & History
William J. Cotter served as a staff sergeant in the 393rd Bombardment Squadron. He was the radar operator regularly assigned to the B-29 Strange Cargo.
R. F. Ridgeway worked for the Roane-Anderson Company.
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.
