National Museum of Nuclear Science & History
H. M. Schleiden worked for the A. S. Schulman Electric Company.
Raymond W. Leffler served in the 1395th Military Police Company, Aviation.
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.