Grigori Perelman

Grigori Yakovlevich Perelman is a Russian mathematician who is known for his contributions to the fields of geometric analysis, Riemannian geometry, and geometric topology. In 2005, Perelman abruptly quit his research job at the Steklov Institute of Mathematics, and in 2006 stated that he had quit professional mathematics, due to feeling disappointed over the ethical standards in the field. He lives in seclusion in Saint Petersburg, and has not accepted offers for interviews since 2006.

13 June 1966

Born on the same birth date (13 June 1966): Henry Bond • Naoki Hattori

Born on the same birth day (13 June): Antoni Radziwiłł • Antonín Vranický • Boyko Borisov • Bruno de Finetti • Carl Schmidt (chemist) • Dicky Thompson • Ernest of Bavaria (1500–1560) • Etienne Leroux • James McCann (baseball) • John Forbes Nash Jr. • Karin Swanström • Lukas Ligeti • Richard Thomas (actor) • Robert W. Scott • Romain Mesnil • Taejong of Joseon

Born in the same month (June 1966): Bill Wiggin • Dayana Cadeau • Greg Schiano • Jeff Conine • John Cusack • Ken Clark (running back) • Kirk McLean • Mark Occhilupo • Vladimir Voevodsky