[2] At the age of 19, a student in Nancy, he collaborated with L'Est Républicain and founded the Nancy-Paris Committee.

The objective of this committee is to allow the population of Nancy to meet Parisian productions and artists.

Sadoul was also a member of the Resistance, alongside Louis Aragon, and responsible for the Front National des Intellectuels for the southern zone from 1941 to 1944.

After the Second World War he published in six volumes his main work General History of Cinema ("Histoire générale du cinéma").

He published of some of the most important reviews of the era in magazines such as Cahiers du Cinéma.He died in Paris at the age of sixty-three.