John E. Keller

Theodore Hall

Theodore “Ted” Hall (1925-1999) was an American physicist and an atomic spy who passed along detailed information about the implosion-type “Fat Man” bomb and several processes for purifying plutonium to the Soviet Union.

H. C. Hall

C. E. Kircher

Charles E. Kircher III (1908-1972) was a chemical engineer who worked on the Manhattan Project for DuPont.

W.E. Redmon