LEE SMOLIN, a theoretical physicist, is a founding and senior faculty member at the Perimeter Institute for Theoretical Physics in Canada. His main contributions have been so far to the quantum theory of gravity, to which he has been a co-inventor and major contributor to two major directions, loop quantum gravity and deformed special relativity. He is the author, most recently, of Einstein's Unfinished Revolution. The Conversation: https://www.edge.org/conversation/lee_smolin-the-causal-theory-of-views