Harry Binswanger, an associate of Ayn Rand in her final years, is a member of the Board of Directors of the Ayn Rand Institute. He has taught philosophy at Hunter College in New York, the University of Texas in Austin, and the New School for Social Research. His latest book is How We Know: Epistemology on an Objectivist Foundation. He created The Ayn Rand Lexicon, a mini-encyclopedia of Objectivism compiled from Ayn Rand's key passages on 400 topics (available in print and online at aynrandlexicon.com), and he is the editor of the expanded second edition of Ayn Rand's Introduction to Objectivist Epistemology. A Senior Contributor at RealClearMarkets.com, he blogs at: www.hblist.com. Binswanger received his Ph.D. in philosophy from Columbia University in 1973. During the 1980's, he edited and published The Objectivist Forum, a bimonthly journal for which Rand served as consultant until her death in 1982. He has lectured at some 40 universities and has appeared on numerous radio and television programs.