Notes on Our Contributors

NOTES ON OUR CONTRIBUTORS JoHN A. OESTERLE, PH. D. (Laval University)·, well known for his textbooks , Logic: The Art of Defining and Reasoning and Ethics: The Introduction to Moral Science, and for his frequent contributions to scholarly journals, is a member of the Department of Philosophy, University of Notre Dam~, Notre Dame, Indiana. RAYMOND E. MARIEB, 0. P., M. A. in Philosophy and Theology from Aquinas Institute, River Forest, Illinois and Dubuque, Iowa, whose field of research is Ecclesiology and the Sacraments, is now assigned to Holy Rosary Priory, Minneapolis, Minnesota. EDWARD M. MAcKINNON, S. J., PH. D. (Theoretical Physics, St. Louis University ), who has written for scientific journals and contributed philosophical articles to The Modern Schoolman, Thought, The International Philosophical Quarterly, is now engaged in post-doctoral research in the philosophy of science at Yale University, New Haven, Connecticut. WILLIAM A. WALLACE, 0. P., PH. D., S. T. D., author of two books, The Role of Demonstration in Moral Theology and The Scientific Methodology of Theodoric of Freiberg, many scholarly articles, and noted lecturer on the relationship of science, philosophy and religion, is Staff Editor of the Philosophy section of The New Catholic Encyclopedia , The Catholic University of America, Washington, D. C. RoBERT V. DEVINE, A. B., a graduate student in the School of Philos9phy, The Catholic University of America, whose special interest is logic and methodology in the philosophy of science, is also doing reviews for other scholarly journals. THOMAS R. HEATH, 0. P., PH. D., whose articles and reviews have appeared in many journals, is Professor of Sacred Theology at St. Mary's College, Notre Dame, Indiana. 523 ...