Maxwell Bennett is professor of neuroscience and university chair at the University of Sydney and scientific director of the Brain and Mind Research Institute. His most recent books are History of the Synapse, The Idea of Consciousness, and Philosophical Foundations of Neuroscience, which he coauthored with Peter Hacker.Daniel Dennett is Austin B. Fletcher Professor of Philosophy and director of the ... Read moreCenter for Cognitive Studies at Tufts University. He is the author of numerous books including Freedom Evolves, Breaking the Spell: Religion as a Natural Phenomenon, and Darwin's Dangerous Idea: Evolution and the Meanings of Life.Peter Hacker is a fellow of St. John's College, Oxford. The leading authority on the philosophy of Wittgenstein, his seventeen books include, most recently, Human Nature: The Categorical Framework, Philosophical Foundations of Neuroscience, which he coauthored with Maxwell Bennett, and Wittgenstein: Connections and Controversies.John Searle is Slusser Professor of Philosophy at the University of California, Berkeley. He is the author of sixteen books, including Freedom and Neurobiology: Reflections on Free Will, Language, and Political Power, Speech Acts: An Essay in the Philosophy of Language, and Mind: A Brief Introduction. His works have been translated into twenty-one languages, and in 2004 he was awarded the National Humanities Medal. Show Less