The second birth of JMW Turner(newstatesman.com) This year marks the 250th anniversary of Turner’s birth, an event being celebrated with a flurry of exhibitions across the country which will present the full range of his achievements in the genre: at his former house in Twickenham; at the Turner Contemporary gallery in Margate and the Whitworth in Manchester; at grand houses where he used to be a guest, such as Harewood House in Leeds and Petworth House in Sussex; and at the Laing Art Gallery in Newcastle,