Bryce S. DeWitt was a prominent American physicist known for his significant contributions to the field of quantum gravity and cosmology. Educated at the University of Virginia, he later held various prestigious academic positions, including a long tenure at the University of New Mexico. DeWitt's work focused on the unification of quantum mechanics with general relativity, leading to groundbreaking advancements in theoretical physics. His research on the "wave function of the universe" played a...