National Museum of Nuclear Science & History
A. F. Young served in the 509th Headquarters.
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.
Horace Reeves worked for the J.A. Jones Construction Company.