|Canadian Ambassador to the United States|
|Prime Minister||Pierre Trudeau|
|Preceded by||Edgar Ritchie|
|Succeeded by||Jake Warren|
June 17, 1915|
|Died||March 19, 1981
Pompano Beach, Florida
Born in Montreal, Quebec, he studied at the Collège André Grasset, obtained a Master's degree in law from the Université de Montréal and studied constitutional law at McGill University in Montreal. He joined the Department of External Affairs in 1941, served as senior adviser to Canadian members of the International Control Commission in Vietnam in 1954, and became the legal advisor to the Department of External Affairs in 1956. A professor of international law at the University of Ottawa, he was the first Canadian to sit on the United Nations International Law Commission. From 1964 to 1970 he was Under-Secretary of State for External Affairs. He was Canada's first francophone Ambassador to the United States from 1970 to 1975, and Head of the Canadian Mission to the European Communities from 1975. He was appointed to advise the Royal Canadian Mounted Police (RCMP) in 1978. He wrote several books on Canadian diplomacy.
In 1969 he was made a Companion of the Order of Canada.
He married Anita Comtois and they had two sons.
- Marcel Cadieux at The Canadian Encyclopedia
- Foreign Affairs and International Trade Canada Complete List of Posts
- Office of the Governor General of Canada. Order of Canada citation. Queen's Printer for Canada. Retrieved 26 May 2010