Steven Pinker is Johnstone Family Professor in the Department of Psychology at Harvard University. His research on language and cognition has won prizes from the National Academy of Sciences, the Royal Institution of Great Britain, the American Psychological Association, and the Cognitive Neuroscience Society. He has also received several teaching awards and many prizes for his nine books, including The Language Instinct, How the Mind Works, The Blank Slate, and The Better Angels of Our Nature. He has been named Humanist of the Year, and has been listed among Foreign Policy magazine's "The World's Top 100 Public Intellectuals" and Time's "The 100 Most Influential People in the World Today." He is currently Chair of the Usage Panel of the American Heritage Dictionary, and writes frequently for The New York Times, Time, The New Republic, and other publications. His most recent book is The Sense of Style: The Thinking Person's Guide to Writing in the 21st Century.