Satyan L. Devadoss is the Fletcher Jones Professor of Applied Mathematics and Professor of Computer Science at the University of San Diego. He is the author (with Matthew Harvey) of Mage Merlin's Unsolved Mathematical Mysteries. He is a Fellow of the American Mathematical Society and recipient of two national teaching awards from the Mathematical Association of America. Joseph O'Rourke is the Olin Professor of Computer Science and Professor of Mathematics (Emeritus) at Smith College. His books include How to Fold It: The Mathematics of Linkages, Origami, and Polyhedra. He was the chair of the first Symposium on Computational Geometry, the premier conference in the field.