Lee Smolin is a theoretical physicist who has made important contributions to the search for quantum gravity. Born in New York City, he was educated at Hampshire College and Harvard University. Since 2001 he has been a founding faculty member at Perimeter Institute for Theoretical Physics. His books explore philosophical issues raised by contemporary physics and cosmology. They include Life of the Cosmos, Three Roads to Quantum Gravity, The Trouble with Physics and Time Reborn. He lives in Toronto.