An eccentric, disconcerting film-maker, brilliant inventor of new styles. In the shadows of the New Wave, Alain Resnais (1922-2014) left an indelible mark on European cinema. "On Connaît la Chanson", "L'Année Dernière à Marienbad", "Hiroshima Mon Amour"... A look back at the career of a discreet nonconformist.