Luella Harrington

Haskell Sheinberg

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.

J. E. McCoy

Gertrude Gunn

Getrude Gunn worked for the Roane-Anderson Company.

G. T. Walker

Walker worked at the 100-F Area at Hanford during the Manhattan Project.