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; Large-Scale Structure of the Universe; Quantum Mechanics; and Principles of Physical Cosmology (all Princeton).