W.B. Shank

George Koval

George Koval was an American chemical engineer and one of the most important Soviet spies of the 20th century.

Joseph Singley

E. P. Epler

E. P. Epler worked for the Tennessee Eastman Corporation at the Y-12 Plant.

John Shoemaker

John Shoemaker was a staff worker at Los Alamos during the Manhattan Project.