Leland F. Pettengill

Robert W. Kinson

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.

H. T. Dumbell

H. T. Dumbell worked for the Edenfield Electric Company.

Jas E. Major

Jas Major worked for the Kellex Corporation at the K-25 Plant.