Grigori Rasputin | S. J. Perelman | Grigori Perelman | Grigori Kozintsev | Vadim Perelman | Ronald Perelman | Grigori Kromanov | Grigori Gorin | Grigori Aleksandrov | Chaïm Perelman |
In 2003, Grigori Perelman proved the conjecture using Richard Hamilton's Ricci flow, this is after nearly a century of effort by many mathematicians.