Emiritus professor of philosophy, University of Southern Maine. Caffentzis received his Ph.D. from Princeton University in 1978. He has lectured in universities throughout the U.S. and Canada, Europe, Africa and Mexico. He has written many articles and books on social and political themes, including Clipped Coins, Abused Words and Civil Government: John Locke’s Philosophy of Money and In Letter of Blood and Fire: Work, Machines, and the Crisis of Capitalism. Professor Caffentzis taught Scientific Revolutions and Critiques, Post-colonial African Philosophy and Literature, Computers=Minds?, Philosophy of Money, Philosophy in Physics, and Late Modern Philosophy.