National Museum of Nuclear Science & History
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.
Bucknum worked at the 200 East and 200 West Areas at Hanford during the Manhattan Project.
LeRoy R. Raffel served in the 603rd Air Engineering Squadron.
