Steven Pinker is Harvard College Professor and Johnstone Family Professor in the Department of Psychology at Harvard University. Until 2003, he taught in the Department of Brain and Cognitive Sciences at MIT. He conducts research on language and cognition, writes for publications such as the New York Times, Time, and Slate, and is the author of seven books, including The Language Instinct, How the Mind Works, Words and Rules, The Blank Slate, and most recently, The Stuff of Thought: Language as a Window into Human Nature.