User brondell - MathOverflowmost recent 30 from http://mathoverflow.net2013-05-18T19:33:28Zhttp://mathoverflow.net/feeds/user/6639http://www.creativecommons.org/licenses/by-nc/2.5/rdfhttp://mathoverflow.net/questions/25630/major-mathematical-advances-past-age-fifty/27378#27378Answer by brondell for Major mathematical advances past age fiftybrondell2010-06-07T18:55:11Z2010-06-07T18:55:11Z<p>According to wiki, Mihailescu got his PhD at the age of 42; and then proved Catalan's conjecture (<a href="http://en.wikipedia.org/wiki/Catalan%2527s_conjecture" rel="nofollow">http://en.wikipedia.org/wiki/Catalan%27s_conjecture</a>) in 2002, age 47, so almost 50.</p>