Germany. Professor Emeritus of the Faculty of Theology at the University of Tübingen, Germany. Doctor of Theology from the Gregorian University of Rome. He has also taught at the universities of Freiburg and Münster. He was president of the German Council for German-Latin American Cultural Exchange (ICALA). Honorary president of the European Society of Catholic Theology. Among his numerous publications: Ecclesiology in the Present. Perspectives (1995); Christology (1997). He has edited the Enchiridion of Symbols translated into various languages and has directed the most important recent international project of commentary and interpretation of Vatican II: Herders' Theological Commentary on the Second Vatican Council, 5 volumes (2004-2005).