Carlo Rovelli is a theoretical physicist who has made significant contributions to the physics of space and time. He has worked in Italy and the United States, and is currently directing the quantum gravity research group of the Centre de Physique Théorique in Marseille, France. His books Seven Brief Lessons on Physics, Reality Is Not What It Seems, The Order of Time, and Helgoland are international bestsellers that have been translated into more than fifty languages.