John Herman Randall, Jr., is Frederick J. E. Woodbridge Professor Emeritus of Philosophy, Columbia University. He is the author of many works in philosophy and intellectual history, among them "Aristotle," "The Career of Philosophy," Vols. I and II, "How Philosophy Uses its Past," "Nature and Historical Experience" and "Philosophy After Darwin: Chapters for" The Career of Philosophy, "Volume III," "and Other Essays," all published by Columbia University Press.