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'''Frank Oppenheimer''' was the communist brother of [[J. Robert Oppenheimer]]. Frank was also a physicist, and his status as a communist cast doubt on the loyalty of J. Robert.

'''Frank Oppenheimer''' was the [[Communism|communist]] brother of [[J. Robert Oppenheimer]]. Frank was also a physicist.

[[Category:Physicists|Oppenheimer, Frank]]

[[Category:Physicists|Oppenheimer, Frank]]