Douglas WaltonDouglas Walton is Professor of Philosophy at the University of Winnipeg. An internationally known scholar and author of more than thirty books in the areas of argumentation, logic, and artificial intelligence, he has received major research grants frm the Social Sciences and Humanities Research Council of Canada and the Isaak Walton Killiam Memorial Foundation. Dr Walton also received the ISSA Prize from the International Society for the Study of Argumentation for his contributions to research on fallacies, argumentation, and informal logic. Read More Read Less