As his experimental film marks its fiftieth birthday with a screening in the Dalston street where it was shot, John Smith speaks to David Moats about his life's work exploring the unreliable perspective of the camera's lens
John Smith, the artist and film-maker whose landmark short The Girl Chewing Gum is amongst the jewels of the British avant-garde, has spent lockdown filming out of his bedroom window and downloading clips from YouTube. He talks to Nicholas Burman about his new films Citadel and Covid Messages