Harry Binswanger, a longtime associate of Ayn Rand, received his Ph.D. in philosophy from Columbia University. He taught philosophy at Hunter College (City University of New York) from 1972 to 1979, and at the University of Texas, Austin, Spring 2002.

During the 1980's, he was editor of The Objectivist Forum, a bimonthly journal devoted to Ayn Rand's philosophy. Since 1994, he has been professor of philosophy at the Objectivist Academic Center of the Ayn Rand Institute.

He is the author of The Biological Basis of Teleological Concepts and editor of The Ayn Rand Lexicon and of the second edition of Ayn Rand's Introduction to Objectivist Epistemology. A regular speaker at universities, he has given more than 70 talks at some 40 universities on a wide variety of topics in philosophy and politics. Dr. Binswanger is currently completing a book on the theory of knowledge: How We Know.

He moderates and writes for an