Carlo Rovelli was born in 1956 in Verona, Italy, and received his Ph.D. from the University of Verona. In 1986, he received his Ph.D. in Physics from the University of Padua. For the creation of the loop approach to quantum gravity and research on the foundations of the physics of space and time, he received the Xanthopoulos International Award in 1996. General relativity, gravitational physics, and the philosophy of space and time are among Professor Rovelli's principal research interests. He has over 100 articles in international physics journals to his credit, as well as contributions to major encyclopedias.