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Questions about Grigori Perelman

Short answers, pulled from the story.

When was Grigori Perelman born and where did he grow up?

Grigori Yakovlevich Perelman was born on the 13th of June 1966 in Leningrad, Soviet Union. He grew up in a small apartment where his mathematical talent became apparent at age ten.

What major awards did Grigori Perelman win or decline during his career?

Grigori Perelman won a gold medal as part of the Soviet team at the International Mathematical Olympiad held in Budapest in 1982. He declined both the Fields Medal offered to him on the 22nd of August 2006 and the Millennium Prize awarded on the 18th of March 2010 for solving the problem.

How did Grigori Perelman prove the Poincaré conjecture using Ricci flow?

Grigori Perelman posted two preprints claiming to outline a proof of Thurston's conjecture in November 2002 and March 2003. His work utilized Richard Hamilton's theory of Ricci flow to establish noncollapsing theorems and canonical neighborhoods that provided quantitative understanding of singularities.

Why did Grigori Perelman refuse the Clay Institute Millennium Prize money?

Grigori Perelman refused the one million dollar prize because he considered the Clay Institute decision unfair for not sharing the prize with Richard S. Hamilton. He stated that his main reason was disagreement with the organized mathematical community regarding ethical standards.

What is known about Grigori Perelman's life after he quit mathematics in 2005?

Grigori Perelman quit his job at the Steklov Institute in December 2005 and has lived in seclusion in Saint Petersburg since 2006. Russian media reported in 2014 that he was working in nanotechnology in Sweden before being spotted again taking care of his elderly mother.