John Searle is Slusser Professor of Philosophy at the University of California, Berkeley. He is the author of sixteen books, including "Speech Acts; Expression and Meaning"; "Intentionality"; "Minds, Brains, and Science"; "The Rediscovery of the Mind"; "The Construction of Social Reality"; "Rationality in Action"; and "Mind: An Introduction." His works have been translated into twenty-one languages, and in 2004, he was awarded the National Humanities Medal.