GrigoriPerelman 2006-09-14 18:50:18 2006-09-14 23:31:20 Biography % this is the default PlanetMath preamble. as your knowledge % of TeX increases, you will probably want to edit this, but % it should be fine as is for beginners. % almost certainly you want these \usepackage{amssymb} \usepackage{amsmath} \usepackage{amsfonts} % used for TeXing text within eps files %\usepackage{psfrag} % need this for including graphics (\includegraphics) %\usepackage{graphicx} % for neatly defining theorems and propositions %\usepackage{amsthm} % making logically defined graphics %\usepackage{xypic} % there are many more packages, add them here as you need them % define commands here \emph{Grigori Yakovlevich Perelman} (born 1966) Russian mathematician currently best known for turning down the Fields medal. He was selected for the award because of his work on Poincar\'e's conjecture. Also, it is believed he may have proven Thurston's geometrization conjecture.