John Stezaker, Zabludowicz, Simon Le Ruez: this week’s new exhibitions

From John Stezaker’s experimental films in Bexhill-on-Sea to Anita Zabludowicz’s incredible collection in London, Skye Sherwin and Robert Clark find out what’s happening in art around the countryJohn Stezaker has become something of a cult figure in recent years. Around the time he retired from teaching at the Royal College of Art in 2006, the wider art world woke up to his considerable collagist talents; his psychologically jarring splices of photos of old B-movie hopefuls are now instant