Sir Roger Penrose is 86 years old (birthdate: August 8,
1931).
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Roger Penrose was born on August 8, 1931, in Colchester, Essex,
England, UK.
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Assuming you're talking about Sir Roger Penrose - the
mathematical physicist - he is certainly alive at the time of
answering. He will be 82 on the 8th of August 2013.