Matthias Klatt is Professor of Public Law, EU Law, Public International Law, and Jurisprudence at the University of Hamburg. He specializes in the philosophy of law and his first book, Making the Law Explicit: The Normativity of Legal Argumentation, was published by Hart in 2008. He is the editor of the forthcoming Institutionalized Reason: The Jurisprudence of Robert Alexy (OUP, 2012).
Moritz Meister is a Lecturing Tutor in Public Law at the University of Hamburg and a trainee lawyer at the Higher Regional Court, Hamburg. He was a student of Matthais Klatt and graduated summa cum laude with a doctorate in law from the University of Hamburg. His dissertation was published by Duncker and Humblot in 2011.