Heisbourg attended the Athénée de Luxembourg and studied at the universities in Grenoble , Innsbruck and Paris . In 1944/1945 he worked for the press and information service of the Luxembourg government and from 1945 to 1951 he was the representative of the Luxembourg delegation in London . From 1952 he was head of the International Organizations Department in the Foreign Ministry.
In 1958 he became Luxembourg Ambassador to the United States . In 1964 he became ambassador for his country in the Netherlands . From 1967 to 1970 he was ambassador to France and was also a permanent representative to the Organization for Economic Co-operation and Development (OECD), which is based in Paris.
In January 1971 Heisbourg replaced the Belgian diplomat Maurice Iweins d'Eeckhoutte as Secretary General of the Western European Union (WEU). Heisbourg was then ambassador to the Soviet Union from 1974 to 1977 .
On May 14, 1978 he became the permanent representative of Luxembourg in the Council of Europe . He held this position until he was replaced by Jean Hostert on November 13, 1979. Heisbourg was then ambassador to the Federal Republic of Germany until 1983 . In 1983 he retired. In the period from 1986 to 1992 he published the four-part work Le Gouvernement luxembourgeois en exil about the Luxembourg government in exile during the Second World War .
Heisbourg's son François Heisbourg , born in 1949, is a political advisor in France.
- Le gouvernement luxembourgeois en exile . Luxembourg: Editions de l'Imprimerie Saint-Paul, 1986–1991
- Georges Heisbourg , at Munzinger Archive
|BRIEF DESCRIPTION||Luxembourg diplomat|
|DATE OF BIRTH||April 19, 1918|
|PLACE OF BIRTH||Hesperange|
|DATE OF DEATH||April 28, 2008|