A French film director, playwright, screenwriter, poet, and journalist, he was also a French Resistance fighter during World War II. Although he is considered by French film critics to be one of the most important 20th-century filmmakers, he and his work are little known outside of his native country.
His debut film, Enclosure, won the Silver Prize for Best Director at the 2nd Moscow International Film Festival.
He entered his film, El Otro Cristobal, into the 1963 Cannes Film Festival.
He was the Monaco-born son of an Italian anarchist.
He and Eric Zemmour were both French intellectuals and writers.