GREGORY BAUM, a Catholic theologian and native of Germany, is Professor Emeritus at the Religious Studies Faculty of McGill University in Montreal, Canada. Baum has served as editor of The Ecumenist since 1962. His most recent books include Amazing Church: A Catholic Theologian Remembers a Half-Century of Change (2005), Compassion and Solidarity: The Church for Others (2006), and Religion and Alienation: A Theological Reading of Sociology (2nd edition, 2007). HAROLD WELLS, a Protestant theologian, is a professor of systematic theology at Emmanuel College at the University of Toronto, Canada. His most recent book is The Christic Center: Life-Giving and Liberating (2004).