

Alan Yentob reveals how Chinese artist Ai Weiwei continues to fight for artistic freedom of expression.

Leon Gast follows the world's first paparazzi photographer, Ron Galella, as he revisits his old haunts and recalls his encounters with the stars.

A portrait of the pioneering forefather of cinema Eadweard Muybridge, whose work astounded audiences worldwide.

Bruce Springsteen describes his attempts to create a sequel to one of the most popular albums of all time.