About the Russian scientist Grigory Perelman, who proved the Poincare hypothesis. Mathematicians around the world have not been able to prove it for about a century, at the moment it is the only solved mathematical problem out of the seven problems of the millennium.
Mark Eydelstein | Anton Rogachev | Arseny Nikitin | Oleg Yagodin | Daria Balabanova | Snezhana Chernova | Yury Bykov | Sergueï Fiodorov | Telman Suleymanov | Maria Evseeva | German Yusupov | Mark Brutman | Mikhail Usoltsev