Background
Chevallier was born on 15 November 1911 in Bordeaux. His father Etienne Chavellier was an industrialist who also had lands in Algeria. His mother was born Corinne de la Bédoyère Huchet de Kernion.
Chevallier was born on 15 November 1911 in Bordeaux. His father Etienne Chavellier was an industrialist who also had lands in Algeria. His mother was born Corinne de la Bédoyère Huchet de Kernion.
He studied at various Catholic colleges, including Notre Dame d’Afrique at Algiers, and at the University of Algiers where he obtained a degree in law.
He was also the secretary of state for war in the government of Pierre Mendès-France. After World World War II, he helped Boris Souvarine to recreate the Institut d"histoire sociale (fr, institute for social history). He was the interim president of Institut d"Histoire Sociale from 1956 to 1957.
On 16 May 1955, Chevallier secured the parole of eleven FLN detainees who had been arrested after the November 1954 attacks, including Benyoucef Benkhedda, the future president of the Provisional Government of the Algerian Republic.
After Algerian independence in 1962, Chevallier was one of the few pieds noirs who took Algerian citizenship and remained in the new state.