P.J.E. Peebles is a Nobel Prize laureate in physics and the Albert Einstein Professor of Science Emeritus at Princeton University. He is the author of The Whole Truth: A Cosmologist’s Reflections on the Search for Objective Reality, Cosmology’s Century: An Inside History of Our Modern Understanding of the Universe, Physical Cosmology, The Large-Scale Structure of the Universe, Quantum Mechanics, and Principles of Physical Cosmology (all Princeton).