2012-04-29

Math: Grigori Perelman videos

Perm URL with updates: http://xahlee.org/math/Grigori_Perelman.html

you are looking at a guy who solved a million-dollar math problem but turned it down.

Grigori Perelman in shopping market
Grigori Perelman walking on street
Grigori Perelman on subway
Grigori Perelman on subway