Jordan Ellenberg is the John D. MacArthur Professor of Mathematics at the University of Wisconsin-Madison. He is the winner of the Schmidt Award for Excellence in Science Communications. He is the author of the New York Times bestseller Shape: The Hidden Geometry of Information, Biology, Strategy, Democracy, and Everything Else and How Not to Be Wrong: The Power of Mathematical Thinking. His writing has appeared in the Wall Street Journal, New York Times, Washington Post, Slate, Boston Globe, and Believer.