Foreword by Michael Atiyah vii Acknowledgments ix CHAPTER ONE Classical Theory, Stephen Hawking 3 CHAPTER TWO Structure of Spacetime Singularities, Roger Penrose 27 CHAPTER THREE Quantum Black Holes, Stephen Hawking 37 CHAPTER FOUR Quantum Theory and Spacetime, Roger Penrose 61 CHAPTER FIVE Quantum Cosmololgy, Stephen Hawking 75 CHAPTER SIX The Twistor View of Spacetime, Roger Penrose 105 CHAPTER SEVEN The Debate, Stephen Hawking and Roger Penrose 121 AFTERWORD TO THE 2010 EDITION The Debate Continues, Stephen Hawking and Roger Penrose 139 References 143
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