Ian Robertson is a Scottish broadcaster, writer and former international rugby player. He is best known as a rugby union commentator for BBC Radio.Robertson played rugby union for Cambridge University, Watsonians, London Scottish, Aberdeenshire, Scotland (1968-70) and the Barbarians. The most memorable moment of his playing career was Scotland's 1970 Calcutta Cup victory over England. At 25 he suffered a serious knee injury that ended his sporting career.Robertson joined the BBC in 1972 and since April 1983 he has been the Corporation's official rugby union correspondent, covering the sport not only on radio but also on television. Robertson has written over thirty books and a number of biographies, including those of Bill Beaumont, Andy Irvine, and actor Richard Burton.