 Complete the following phrase:  During the 1940s he worked as a chronicler of contemporary politics and literary critic, contributing to Temps modernes Modern Times, Paris-Soir and Combat. In 1950 he joined with Claude Bourdet and to found LObservateur. After a few years, known as the adventurer in a bow tie, because of his dandyish appearance, he became a central figure in the French press, combining that role with a central presence in the intellectually dynamic Saint-Germain-des-Prés milieu. Familiars included Roger Vailland, Jean-Paul Sartre, Simone de Beauvoir, Jean Genet, Louis Aragon, François Mauriac, Georges Simenon and Marcel Jouhandeau. As an eloquent exponent of decolonisation, during the 