Lee Smolin is a founding faculty member of the Perimeter Institute in Theoretical Physics, Waterloo, Ontario. A theoretical physicist and writer, he has greatly advanced to our understanding of space, time and cosmology. A co-inventor of loop quantum gravity and deformed special relativity and the inventor of cosmological natural selection, his work has contributed significantly to the fields of quantum theory, particle physics, theoretical biology, economics and the philosophy of science. He is a member of the philosophy department at the University of Toronto. Previously, he held faculty positions at Yale, Syracuse and Penn State. On a popular level, he has written thee previous books, Time Reborn, The Trouble with Physics, and Three Roads to Quantum Gravity, which bring to the public his reflections on cosmology and physics. He lives in Toronto with his wife and son.