Robert Geroch builds on Einstein's work with commentary that addresses the ideas at the heart of the theory, bringing a modern understanding of relativity to the text. He elucidates how special relativity is a reconciliation of the contradictions between the nature of light and the principle of relativity; he expands on Einstein's treatment of the geometry of space-time and the fundamental notion of an "event"; he explains in detail, but without technical...

Science and religion are compatible, declares the famous physicist. In these essays, Einstein views science as the basis for a "cosmic" religion, embraced by scientists, theologians, and all who share a sense of wonder in the rationality and beauty of the universe. In the course of his career, Einstein wrote more than 300 scientific and 150 nonscientific publications. These essays date from the 1930s and 40s. In direct, everyday language the author...