Ron Arad: Restless, Barbican Gallery

Like Philippe Starck, whose Alessi tripod lemon squeezer is a bit like an evil-looking Louise Bourgeois spider, Ron Arad emerged in the Eighties as something of a “rock‘n’roll” designer. It’s a label that’s stuck, as has its sexy variant “post-punk”.  The latter came about after his break-through Rover Chair (1981; main picture) found its first customer in Jean-Paul Gaultier.