SEYMOUR W. ITZKOFF was trained in music, philosophy of science, and educational theory. He has been a professor at Smith College since 1965. Author of twelve books, he recently completed a four-part series on the "evolution of human intelligence," which has elicited much praise as well as controversy. In 1991 Itzkoff authored Human Intelligence and National Power (Peter Lang). He is also the author of Ernst Cassirer: Scientific Knowledge and the Concept of Man (1971), Emanuel Feuermann, Virtuoso (1979), and How We Learn to Read (1986).