About Lee Smolin Lee Smolin is an American theoretical physicist, a researcher at the Perimeter Institute for Theoretical Physics, and a professor of physics at the University of Waterloo, best known for devising several approaches to quantum gravity. Books by Lee Smolin Einstein's Unfinished Revolution The Search for What Lies Beyond the Quantum by (author) Lee Smolin Time Reborn From the Crisis in Physics to the Future of the Universe by (author) Lee Smolin