D. Chelnik

Betty Utterback

Betty Utterback was a staff worker at Los Alamos during the Manhattan Project.

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.

Russell L. Ahlbrand

C. N. Buchmiller