Mark Bowron mathprob@umr.edu Webmaster, problemcorner.org Education: B.S. Mathematics, University of Washington, 1983 M.S. Mathematics, University of Virginia, 1986 Further graduate study in mathematics, Texas-Austin, 1989-1991 One semester of economics at Texas A&M, 1993 Hobbies: Recreational math Poker and other forms of wagering/investment My driving job (which doesn't really seem like a job at all) Bowling Click here to see a really tricky calculus problem. Last page update: April 2006.