Editor Gerhard Robbers is a professor of law at the Institute for European Constitutional Law at the University of Trier, Germany, specializing in constitutional law, law of religion, and international public law. He also serves as judge at the court of appeals of Rhineland-Palatinate, Germany. He holds a Ph.D. in law from the University of Freiburg and has published extensively in the field, including An Introduction to German Law and State and Church in the European Union.