Douglas N. WaltonDOUGLAS N. WALTON is Professor of Philosophy at the University of Winnipeg and is currently a Killiam Research Fellow (1987-1989) of the Canada Council. His writings on various aspects of philosophy, pragmatics, linguistics, ethics, logic, and educaton have been published frequently and widely since 1971 and include numerous articles in scholarly journals as well as contributed chapters to books. He is the author of Informal Logic and Practical Reasoning and coauthored Argument: The Logic of the Fallacies. He also wrote Ethics of Withdrawal of Life Support Systems: Case Studies on Decision-Making in Intensive Care (Greenwood Press, 1983 and paperback by Praeger Publishers, 1987), Physician Patient Decision-Making (Greenwood Press, 1985) and Arguer's Position (Greenwood Press, 1985). In 1989-1990, Walton will be Fellow-in-Residence at the Netherlands Institute for Advanced Study in the Humanities and Social Sciences. Read More Read Less