David Tracy is Professor of Theology at the Divinity School of the University of Chicago. He is author of Blessed Rage for Order (Seabury). John B. Cobb, Jr. is Professor of Theology Emeritus at the Claremont School of Theology, Claremont, California, and Co-Director of the Center for Process Studies there. He is the author of many books, including The Structure of Christian Existence (Seabury).