Education
University of Groningen, Netherlands, Doctor of Laws. Spoken languages: Dutch, English, French.
University of Groningen, Netherlands, Doctor of Laws. Spoken languages: Dutch, English, French.
Member, International Law Commission since 1967. Professor of International Law, Faculty of Law, Faculty of Political & Social Sei, University of Amsterdam since 1947. Foreign Editor, Nieuwe Rotterdamse Courant, Rotterdam.
Delegate to United Nations General Assembly, New York, 1953-1961, 1963-1970. Member, Permanent Court of Arbitration, The Hague. President, Netherlands Press Council.
Rapporteur, Legal Committee, United Nations General Assembly, 1955. Representative of Netherlands to International Atomic Energy Agency General Conference.
International Law Association, International Law Institute, Institution, Netherlands Institute, Institution of International Affairs.