Pioneer of political documentary and inventor of cinema verite, Dziga Vertov has exerted a decisive influence on directors from Eisenstein to Godard. Yet his reputation long rested upon a lone masterpiece, 'Man with a Movie Camera'. Recently, however Vertov has begun to be recognised as the creator of a body of innovative and distinct films and, as Jeremy Hicks argues, documentary as we know it today is unthinkable without the rediscovery of Vertov...