Born: Tamil Nadu, India
Zorn is a professor of mathematics at St. Olaf College and president of the MAA.
Zorn moved to the U.S. to attend Washington University in Saint Louis, majoring in mathematics and English. His did his Ph.D. work, in several complex variables, at the University of Washington, Seattle, under the direction of Edgar Lee Stout.
Zorn's professional interests include complex analysis, mathematical exposition, textbook writing, and the role of mathematics among the liberal arts. He is also interested in using computer graphics and computer algebra systems to help students learn and explore mathematical ideas.
Zorn has co-authored several books with St. Olaf colleague Arnold Ostebee, including Calculus From Numerical, Graphical, and Symbolic Points of View, 2nd edition (two volumes, published 2001) and Multivariable Calculus From Numerical, Graphical, and Symbolic Points of View (published 2002). His most recent book is Understanding Real Analysis (AK Peters, 2010).
Zorn has served on many MAA committees and programs over the years. From 1996 to 2000, he was editor of the MAA's expository journal Mathematics Magazine. In 2008 and 2009 he served as chair of the MAA's Council on Publications.