Lee Smolin is a senior faculty member and founder of the Perimeter Institute in Theoretical Physics, Waterloo, Ontario. A theoretical physicist and writer, he has greatly contributed 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 to the foundations of quantum theory, particle physics, theoretical biology, economics and the philosophy of science. He is a member of the philosophy dept. at U of T. Previously he held faculty positions at Yale, Syracuse and Penn State. On a popular level, he has written 3 previous books which bring to the public his reflections on cosmology and physics. He lives in Toronto with his wife and small son.