Judith Rich Harris is the author of No Two Alike: Human Nature and Human Individuality . A former writer of college textbooks, Harris is a recipient of a George A. Miller award, given to the author of an outstanding article in psychology. She is an independent investigator and theoretician whose interests include evolutionary psychology, social psychology, developmental psychology, and behavioral genetics.
Steven Pinker is the Johnstone Professor of Psychology at Harvard University. He has won many prizes for his teaching, his research on language, cognition, and social relations, and his twelve books, including The Language Instinct, How the Mind Works, The Better Angels of Our Nature, and Rationality. He is an elected member of the National Academy of Sciences, a two-time Pulitzer Prize finalist, and one of Time’s “100 Most Influential People in the World Today.”