National Museum of Nuclear Science & History
Van Doubek, Jr. served in the 320th Troop Carrier Squadron.
Sergeant Frank Karcher was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Joseph S. Dispensa served in the 393rd Bombardment Squadron. After the war, Dispensa was assigned to the Japan Atomic Bomb Damage Survey teams.
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.