University of Naples, Italy, 1929, Bachelor of Laws, Doctor of Laws, 1930, PSD. Spoken languages: Italian, French, English, Spanish, German.
Judge, International Court of Justice since 1979. Member, Permanent Court of Arbitration. Chairman, Curatorium of Hague Academy of International Law.
President, Vienna Conference on the Law of Treaties. Professor of International Law, University of Rome, 1956-1982. Chairman, United Nations International Law Commission.
Chairman, International Labor Organization/Office Governing Body, 1967-1968 & 1954-1955. Chairman, International Labor Organization/Office Committee(s) on Freedom of Association(s). Counsel for Italian Government and others in cases before Permanent Court of International Justice & International Court of Justice.
President of Arbitration Tribunals, including Franco-German Tribunal on the Saar, Franco-United States Tribunal on Interpretation of the Air Transport Agreement.
Member: Institut de droit international. American Academy of Political & Social Sciences. Institut Hell6nique de Droit Internationale.
President, Italian Society for International Organization. Socifet6 Royale de Belgique. Academia Nazionale dei Lincei.
Honourary President, World Federation of United Nations Associations. American Society of International Law. Honourary Member, Indian Society of International Law.