Other alumni include writers Lord Byron, Sir Terence Rattigan, Simon Sebag-Montefiore, and Richard Curtis, the 6th Duke of Westminster and the prominent reformist Lord Shaftesbury and business people (including DeBeers chairman Nicky Oppenheimer, Pret a Manger founder Julian Metcalfe) and the big game hunter and artist General Douglas Hamilton, as well as Island Records founder Chris Blackwell. In sports, the school produced the first two Wimbledon champions (Spencer Gore and Frank Hadow) as well as FA Cup founder C.W. Alcock and current England rugby international players Billy Vunipola and Maro Itoje. Alumni in the arts and media industry include actors Benedict Cumberbatch and Cary Elwes, photographer Count Nikolai von Bismarck, singer James Blunt, pianist James Rhodes, and horse racing pundit John McCririck. Margaret Thatcher sent her son, Mark, to Harrow.