Young, he lived in Pau, where Andrélie opens a glasses shop.During the war, Roger Grenier attends Gaston Bachelard classes in Sorbonne before activeley participating in 1944 at the liberation of Paris. He joins Albert Camus in the newspaper Combat then in France Soir. Journalist, he follows post-war trials which inspire his first essay in 1949 Le Rôle d'accusé. Radio animator, writer for télévision and cinema, member of the Gallimard board, he is recipient of the Grand prix de l'Académie française in 1985 for his whole works, over than thirty works at this time, novels, including two best-sellers Le Palais d'hiver 1965 and Ciné-roman, Prix Femina in 1972, essays, souvenirs.He is best known in United States for is work The Difficulty of Being a Dog (Les larmes d'Ulysse), translated by Alice Kaplan. He is still writing and a busy conferencer: about his works, literature, Gallimard, or his friends: Albert Camus, Brassaï, ...