He was 82.
Iranian media reported earlier today that he was taken to a hospital north of Tehran because of a heart condition. State television broke into programming to announce his death.
Rafsanjani's mix of sly wit and reputation for cunning moves both in politics and business earned him a host of nicknames such as Akbar Shah, or Great King, during a life that touched every major event in Iranian affairs since before the 1979 Islamic Revolution.
He also was handed an unexpected political resurgence in his later years.
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The surprise presidential election in 2013 of Rafsanjani's political soul mate, Hassan Rouhani, gave the former president an insider role in reform-minded efforts that included Rouhani's push for direct nuclear talks with Washington.
Rouhani's victory was also another example of Rafsanjani's remarkable political luck. Rafsanjani was blocked from the ballot by Iran's election overseers presumably worried about boosting his already wide-ranging influence.
It came after years of dwindling influence. Another presidential comeback bid was snuffed out by Mahmoud Ahmadinejad's surprise victory in 2005 elections, which left Rafsanjani and his powerful clan as fierce critics of Ahmadinejad.
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