Leonard Mlodinow received his doctorate in physics from the University of California, Berkeley, was an Alexander von Humboldt fellow at the Max Planck Institute, and now teaches about randomness to future scientists at Caltech. Along the way, he has written for the television series MacGyver and Star Trek: The Next Generation. His previous books include Euclid's Window: The Story of Geometry from Parallel Lines to Hyperspace, Feynman's Rainbow: A Search for Beauty in Physics and in Life, and, with Stephen Hawking, A Briefer History of Time.

K.C. Cole is currently on the faculty at the USC Annenberg School of Journalism. Previously, she was science correspondent for the Los Angeles Times and has written for The New York Times, The New Yorker, and many other publications. Cole is also the author of seven nonfiction books, including Mind Over Matter: Conversations with the Cosmos; The Hole in the Universe: How Scientists Peered Over the Edge of Emptiness and Found Everything; and The Universe and the Teacup, the Mathematics of Truth and Beauty. She has been honored with numerous prizes, including the American Institute of Physics Science Writing prize and the Los Angeles Times award for best explanatory journalism. http://www.kccole.net/