Lodz ghetto photos found in Vienna; Van Dyck reassessed; Tracey Emin in profile

Air-raising adventures in Berlin, the mythology of Andy Warhol on screen, and The ArtClub hitting its stride at London visual art events

David D’Arcy reviews the rash of films about art and artists now being made in the US

The artist's life story will soon be a minor motion picture, but cinema-goers could be disenchanted with such dramatisations