National Museum of Nuclear Science & History
Harris worked at the 300 Area at Hanford during the Manhattan Project.
Joseph A. Gagnon 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.