This collection of essays is based upon the presentations given at a symposium on the occasion of the 65th birthday of Professor Rüdiger Wolfrum in December 2006. The contributions cover a wide range of contemporary issues of international law, including state responsibility, crisis management, unity of law, deep sea genetic resources, liability for environmental damage in Antarctica, human rights and intellectual property, and the protection of minorities.

Stoll, T.: Responsibility, Sovereignty and Cooperation - Reflections on the "Responsibility to Protect".- Benzing, M.: Sovereignty and the Responsibility to Protect in International Criminal Law.- Röben, V.: Managing Risks to Global Stability: the UN Security Council¿s New-found Role Post Iraq.- Köbele, M.: Comment on the Contribution by Volker Röben.- Matz-Lück, N.: Promoting the Unity of International Law: Standard-Setting by International Tribunals.- Hestermeyer, H.: Where Unity Is at Risk: When International Tribunals Proliferate.- König, D.: Genetic Resources of the Deep Sea - How Can They Be Preserved?- Vöneky, S.: The Liability Annex to the Protocol on Environmental Protection to the Antarctic Treaty.- Kaiser, K.: The Strange Case of Human Rights and Intellectual Property: Is There a Way to Reconcile Dr. Jekyll with Mr. Hyde?- Grote, R.: The Struggle for Minority Rights and Human Rights: Current Trends and Challenges.- Wenzel, N.: Minority Rights as Group-Protective Rights: A Challenge for the International Law of Human Rights.