B. Jack Copeland received his D.Phil. in Philosophy from the University of Oxford (1979) for research on modal and nonclassical logics. He is Professor of Philosophy and Director of the Turing Archive for the History of Computing at the University of Canterbury, New Zealand, where he was until recently Head of Humanities. Jack has published more than 100 articles and book chapters on the philosophy and history of computing, the philosophy of mind, and philosophical logic. His books include The Essential Turing (Oxford University Press); Colossus: The Secrets of Bletchley Park's Codebreaking Computers (Oxford University Press); Logic and Reality (Oxford University Press); Alan Turing's Automatic Computing Engine (Oxford University Press); and Artificial Intelligence (Wiley-Blackwell).