Novelist and writer mainly with Jean Aurenche

Ex-civil servant, who started writing in his spare time and staged his first play in 1923. He later formed a seminal screenwriting partnership with Jean Aurenche, which endured until 1973. The pair became especially noted for their literary adaptations of subjects directed by Claude Autant-Lara and 'Rene Clement'. Bost was also active as editor for several French magazines.

Primarily a novelist until the 1940s, he was known mainly as a screenwriter after 1945, often collaborating with Jean Aurenche.

In his 1954 article Une Certaine Tendance du Cinéma Français ("A Certain Trend of French Cinema"), François Truffaut attacked the current state of French films, singling out certain screenwriters and producers. The screenwriting team of Bost and Aurenche were criticized for their style of literary adaptations in particular, which Truffaut considered old-fashioned.

French novelist, journalist and playwright, Pierre Bost began his career at the Théâtre du Vieux-Colombier with a comedy, L'Imbécile , then turned to novels. He wrote several works, published by Gallimard, including the novel Porte malheur and the essay Un an dans un tiroir .