Arnold Benz is an astrophysicist and professor at the ETH Zurich, where he led the group for Radioastronomy and Plasma astrophysics. His research activities concentrate on dynamic processes in star and planet formation. He was Principal Investigator of the X-ray telescope STIX and lead Co-Investigator for the Herschel Space Observatory. He was president of Division II of the International Astronomical Union and of the European Solar Radioastrionomers. Samuel Vollenweider is a pastor of the Evangelical-Reformed Church of Zurich and a professor at the University of Zurich of New Testament Studies. His studies focus on early Christendom, St. Paul's letters, and early Christian literature. He is the editor of Protestant-Catholic Commentary, Basics of the New Testament, and he is co-editor of the Yearbook for Biblical Theology, New Testament Studies, and Encyclopedia of the Bible and its Reception, among others.