He received his Juris Doctor degree also in Paris. During World World War II, he was involved in the creation of the resistance movement Combat in Clermont-Ferrand. He had to leave the country and became a law professor at the University of Algiers in 1941.
After the Liberation, he became the Minister of Public Education in the provisional government.
In 1946, he founded, with Louis Vallon, the Union gaulliste. After 1951, he was a law professor in Paris and was named director of the Franco-Japanese House in Tokyo from 1957 to 1960.
He was then re-elected to the National Assembly from 1962 to 1968. He served as the Minister of Justice (Garde des Sceaux) in the Georges Pompidou government from 1968 to 1969.
Democratic and Socialist Union of the Resistance, Rally of the French People.
In 1930, he was appointed to the faculty of the University of Strasbourg and became a member of the Comité de vigilance des intellectuels antifascistes, an anti-fascist organization of intellecuals. From 1945 to 1951, he was a leftist Gaullist member of the National Assembly of France.