Robert E. Brueckmann

T.E. Sparks

H. E. Bennett

William Spindel

William Spindel was a member of the Special Engineer Detachments at Oak Ridge and Los Alamos. Spindel worked in a group that helped make coatings for the implosion bomb.

Nathan C. Safferstein

Nathan Safferstein (1921-2013) was an American counterintelligence agent during the Manhattan Project.