St Andrews has many notable former students and staff. Recent alumni include the former First Minister of Scotland Alex Salmond; Secretary of State for Defence Michael Fallon; HM British Ambassador to China Barbara Woodward; United States Ambassador to Hungary Colleen Bell; Olympic gold medalist Chris Hoy; and royals Prince William, Duke of Cambridge, and Catherine, Duchess of Cambridge. Six Nobel Laureates are amongst St Andrews' alumni and former staff: two in Chemistry and Physiology or Medicine, and one each in Peace and Literature.