INVESTIGATIONS: The Atomic Spy Hunt

Did Russia ever get any U.S. atomic secrets during the war? This week the House Un-American Activities Committee issued a report which strongly implied that it probably did.

The committee's report leaned heavily on the secret testimony given three weeks ago by Lieut. General Leslie Groves, wartime chief of atomic development. General Groves was sure that Russia "and its misguided and traitorous domestic sympathizers or stooges" had tried hard to get vital atomic information. Had Russia been successful? Said General Groves: "I imagine that it was successful to a certain degree. You...

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