Reginald M. Sexton

Helen S. Pack

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.

Donald M. Casey

Donald M. Casey served in the 603rd Air Engineering Squadron.

George E. Gilson