__ Bob Witte, in "What I Have Learned From the Mathematics Community", The American Mathematical Monthly, 109 (2002) 585-594. This article is the text of an address delivered August 3, 2001 at MathFest 2001 in Madison, Wisconsin. Mr. Witte was employed for thirty-eight years by Exxon Corporation, and for most of his last ten years was Senior Program Officer for the Exxon Education Foundation.