National Museum of Nuclear Science & History
Dennis Dwyer was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
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.
N. D. Barker worked for the Tennessee Eastman Corporation at the Y-12 Plant.