Leonard Mlodinow is the best-selling author of The Drunkard's Walk, Subliminal and Elastic, as well as a theoretical physicist who taught at Caltech and was a fellow at The Max Planck Institute for Physics and Astrophysics. He co-authored two books with Stephen Hawking: A Briefer History of Time and The Grand Design. There are over one million copies of Leonard Mlodinow's books in print.