Martin Rhonheimer is professor of ethics and political philosophy at the Pontifical University of the Holy Cross in Rome. His publications include a dozen books, several of which have been translated into multiple languages. His Natural Law and Practical Reason was the first of his books to be made available in English. William F. Murphy, Jr., is associate professor of moral theology at the Pontifical College Josephinum and editor of the Josephinum Journal of Theology.

Martin Rhonheimer is professor of ethics and political philosophy at the Pontifical University of the Holy Cross in Rome. His publications include a dozen books, several of which have been translated into multiple languages. His Natural Law and Practical Reason was the first of his books to be made available in English. William F. Murphy, Jr., is associate professor of moral theology at the Pontifical College Josephinum and editor of the Josephinum Journal of Theology.

Martin Rhonheimer is professor of ethics and political philosophy at the Pontifical University of the Holy Cross in Rome. His publications include a dozen books, several of which have been translated into multiple languages. His Natural Law and Practical Reason was the first of his books to be made available in English. William F. Murphy, Jr., is associate professor of moral theology at the Pontifical College Josephinum and editor of the Josephinum Journal of Theology.