Marsha P. Hanen, Associate Professor of Philosophy and Associate Provost of University College at the University of Calgary, specializes in the philosophy of the natural and social sciences and the philosophy of law. She received her B.A. and M.A. from Brown University and her Ph.D. from Brandeis University, and recently spent a year as a Fellow in Law and Philosophy at Harvard University. She has published articles on aspects of the philosophy of science and law and has spoken widely in England and North America.