WilliamFeller 2006-11-13 15:34:07 2007-04-22 03:09:43 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{William Feller} (1906 - 1970) American mathematician who specialized in probability \PMlinkescapetext{theory}, best known for the Feller process, and his classic textbook ``An Introduction to Probability Theory and Its Applications'', \PMlinkescapetext{Volume} 1. Feller was born in Zagreb (now the capital of Croatia) and christened after Saint Willibrord. He moved to Germany to study at G\"{o}ttingen University, where he received his doctoral \PMlinkescapetext{degree}. Because of Nazism, he fled to Denmark, later Sweden and finally America, becoming a citizen just prior to World War II. As a member of the American Mathematical Society, Feller began the publication of the journal {\it Mathematical Reviews}.