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.
Helen Addison worked for the Roane-Anderson Company.
Fay Cunningham joined the Manhattan Project in 1944 as a metallurgical engineer at the Massachusetts Institute of Technology, as part of the Special Engineer Detachment.
Joseph Ryan was a staff worker at Los Alamos during the Manhattan Project.
