Brian Greene received his undergraduate degree from Harvard University and his doctorate from Oxford University, where he was a Rhodes Scholar. He joined the physics faculty of Cornell University in 1990, was appointed to a full professorship in 1995, and in 1996 joined Columbia University, where he is professor of physics and mathematics. He has lectured at both a general and a technical level in more than thirty countries and on all seven continents, and is widely regarded for a number of groundbreaking discoveries in superstring theory. His first book, The Elegant Universe, was a national bestseller and a finalist for the Pulitzer Prize. He lives in Andes, New York, and New York City.