MOSCOW—Boris Berezovsky, the man who more than any other came to epitomize the oligarchs of 1990s Russia, died Saturday at a residence outside London, capping a life that saw the heights of power and wealth before witnessing diminished fortunes in exile.
Mr. Berezovsky, 67, was a former academic mathematician who developed into one of Russia's best-known tycoons in an era of privatization, violence and cutthroat capitalism that defined Russia after the collapse of the Soviet Union.
Though British police did not release Mr. Berezovsky's name, they confirmed the death of a 67-year-old man at a property in Ascot, England, a town about 25 miles west of London.
"The death is currently being treated as unexplained and a full inquiry is under way," the Thames Valley Police, the law-enforcement authority responsible for the Ascot area, said in a statement. The force said the inquiry is "at a very early stage."
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