An Old Greshamian, Richard Leman, was a member of the gold medal-winning British hockey squad at the 1988 Summer Olympics and of the bronze medal-winning team at the 1984 Summer Olympics. Another OG, Gawain Briars, was the British number one squash player and now heads the world Professional Squash Association. Brother and sister Ralph and Natasha Firman are both racing drivers, and Natasha was the winner of the inaugural Formula Woman championship in 2004. Giles Baring and Andrew Corran were first-class cricketers, while international rugby footballers include Andy Mulligan (Ireland) and the British and Irish Lions, Nick Youngs (England and his sons Ben and Tom (England) both also playing for the British and Irish Lions winning team in Australia in 2013). In rifle-shooting, Gresham's has been one of the top ten schools in England for about sixty years, and Glyn Barnett won a shooting gold medal in the 2006 Commonwealth Games at Melbourne. In the field of winter sports, the 11th Earl of Northesk took an Olympic medal for toboganning (then called 'skeleton') in 1928. Notable mountaineers have included Tom Bourdillon, Sir Percy Wyn-Harris, Peter Lloyd and Matthew Dickinson.