Educated University Tasmania. Bachelor of Laws, Bachelor of Arts (Jurisprudence), Oxford (England) University, 1940.
With Australian Mission to United Nations, New York City, 1947-1948, Washington, 1948-1949. Delegate General Assembly United Nations various sessions. Delegate conferences International Labor Organization, World Health Organization, ECAFE, others.
With Department External Affairs, Canberra, 1949-1953. Consul-general, Geneva, 1953-1956. Australian commissioner, Singapore, 1956-1957.
1st assistant secretary Department External Affairs, Canberra, 1960-1965. Australian ambassador to Belgium, European Economic Community, European Atomic Energy Community, European Coal and Steel Community, 1965-1968. Ambassador to South Vietnam, 1968-1971, West Germany, 1971-1975.
Permanent representative, Ambassador Extraordinary and Plenipotentiary to United Nations, 1975-1978. Retired, 1978; visiting fellow University Tasmania, 1979. Director Australian Institute International Affairs, 1979-1982.
Leader delegate United Nations Conference on Law of Sea.
Member Australian Esperanto Association (president).
Married E. Dorothy Sheppard, January 8, 1944.