Stephen Hawking was the Lucasian Professor of Mathematics at the University of Cambridge for thirty years, and has been the recipient of numerous awards and honors including, most recently, the Presidential Medal of Freedom. His books for the general reader include the classic A Brief History of Time, Black Holes and Baby Universes and Other Essays, The Universe in a Nutshell, and A Briefer History of Time. He lives in Cambridge, England.
Leonard Mlodinow is a physicist at Caltech and the bestselling author of The Drunkard's Walk: How Randomness Rules our Lives, Euclid's Window: The Story of Geometry from Parallel Lines to Hyperspace, and Feynman's Rainbow: A Search for Beauty in Physics and in Life. He also wrote for Star Trek: The Next Generation. He lives in South Pasadena, California.
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