National Museum of Nuclear Science & History
G. W. Johnson worked for the Edenfield Electric Company.
Painton worked for Stone and Webster Engineering Corporation.
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.
Bellas worked in the 100-F Area at Hanford during the Manhattan Project.
