Christian J. Tams is Professor of International Law at the University of Glasgow's School of Law, where he teaches international law at the undergraduate and graduate levels and directs the Law School's LLM programme. Prior to this, he was assistant professor at the Walther Schücking Institute of International Law at the University of Kiel, Germany, to which he remains affiliated. He is a qualified German lawyer, and holds an LL.M. and Ph.D. from the University of Cambridge. He has frequently written on the law and practice of the International Court of Justice. James Sloan is a member of faculty at the University of Glasgow, School of Law where he teaches courses in the United Nations, International Human Rights and International Criminal law at the Honours and Masters levels. Before joining the School of Law, he qualified as a lawyer in Ontario and New York and worked in Toronto for several years. Subsequently, he worked in a number of capacities at the international level. Among other positions held, he was Political Advisor and Acting Head of Mission for a UN peace operation in Papua New Guinea, Legal Advisor to the International Service for Human Rights in Geneva and a Legal Assistant at the International Criminal Tribunal for the former Yugoslavia.