64 years ago today, Julius and Ethel Rosenberg were executed as atomic spies. A polarizing Cold War event: either an atrocity or justice.pic.twitter.com/XsS0wVtcaD
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Did Groves *actually* believe that it would take twenty years for the Soviets to get the bomb?
Yes. For a variety of reasons: thought he had a monopoly on uranium, thought Russian engineering not precise enough for tolerances required,
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