University of Oslo, 1942, Law Degree. Minnesota Law School, Columbia Law School, United States of America, 1947, Postgraduate Studies. Harvard Law School, 1952-1953, Dr Laws.
Woodrow Wilson International Center for Scholars, United States of America, 1975 & 76. Spoken languages: Norwegian, English, French, German.
Police inspector, public prosecutor, Oslo, 1945-1946. Legal counsel International Court Justice, 1949-1951, 55-57, judge ad hoc, 1980-1982. Agent, counsel European Commission and European Court on Human Rights, 1962-1963, 67-69.
Director general legal department Ministry Foreign Affairs, 1961-1973, ambassador, international law adviser, 1979-1985. Minister Commerce and Shipping, 1973-1974, Law of the Sea, 1974-1978. Judge International Court Justice, The Hague, The Netherlands, 1985-1994.
Associate Woodrow Wilson International Center for Scholars, Washington, 1975, 76. Lecturer law faculty University Oslo, 1945-1973, censor, 1945-1973. Legal adviser European Broadcasting Union.
Ambassador negotiating trade agreement European Communities, 1972.
Author: (books) Etendue des eaux territoriales, 1951, La clause-or dans les emprunts publics, 1957, Certain Aspects of International Law Concerning the Operation of Private Stations from Ships and Airplanes, 1960, Om gyldigheten av lover som erklaerer gullklausuler ugyldige eller uvirksomme, 1962, Peacekeeping. Experience and Evaluation, 1964. Co-author (chapters in books) Norges havretts-og ressurspolitikk, 1976, Atomvapen og usikkerhetspolitikk, 1980, For det Blir for Sent-Atomkrig eller Nedrustning, 1982, Var rast-en makt, 1982, Nuclear Disengagement in Europe, 1983, Til Framtida, 1987.
Chairman Norwegian Commission on Maritime Limits, 1961-1984, Norweigan Petroleum Council, 1965-1979. Head Norwegian delegate to Third United Nations Conference on the Law of the Sea, 1973-1982, vice president. Chairman Norwegian delegate Preparatory Commission for the International Sea-Bed Authority, International Tribunal for the Law of the Sea, 1983-1985.
Representative Norway 6th committee General Assembly Nationals Committee of the United Nations. Head Norwegian delegate to the United Nations Committee on the Peaceful Uses of the Sea-bed and Ocean Floor beyond the Limits of National Jurisdiction, committee vice-chairman, 1968-1973. Member United Nations International Law Commission, 1979-1985.
Special rapporteur Law Non-Navigational Uses International Watercourses, 1982-1985. Member Norwegian-Icelandic Conciliation Commission. Member L'Institute de Droit International (associate since 1971), Permanent Court Arbitration.
Spouse Sylvei Brun Lie, National of Norway.