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.
Jessen worked at the 200 East Area at Hanford during the Manhattan Project.
George D. Gleason served in the 393rd Bombardment Squadron.
Donald Ross was born in Wisconsin. He received a bachelor’s degree in chemistry from the University of Texas.
