That year, Oppenheimer helped U.S. Army security officers identify scientists he believed were communists. Oppenehimer was a top target for Soviet intelligence, which assigned him the code names ...

If the latter, Oppenheimer had perjured himself—lying not only on the army security questionnaire ... admitted telling the ...

Kenneth David (“K.D.”) Nichols was an officer in the US Army and a civil engineer who worked on the ... He played a key role in the proceedings brought against J. Robert Oppenheimer that resulted in ...