Foreword / Malcolm Longair -- Ch. 1. Space-time and Cosmology -- Ch. 2. The Mysteries of Quantum Physics -- Ch. 3. Physics and the Mind -- Ch. 4. On Mentality, Quantum Mechanics and the Actualization of Potentialities / Abner Shimony -- Ch. 5. Why Physics? / Nancy Cartwright -- Ch. 6. The Objections of an Unashamed Reductionist / Stephen Hawking -- Ch. 7. Response by Roger Penrose