The University of Cambridge is a public collegiate research university in Cambridge, England. Founded in 1209 and granted a royal charter by Henry III in 1231, Cambridge is the world's third oldest surviving university and one of its most prestigious, currently ranked second best in the world and the best in Europe by QS World University Rankings. Among the university's most notable alumni are 11 Fields Medalists, seven Turing Award winners, 47 heads of state, 14 British prime ministers, 194 Olympic medal-winning athletes, and some of world history's most transformational and iconic figures across disciplines, including Francis Bacon, Lord Byron, Oliver Cromwell, Charles Darwin, Stephen Hawking, John Maynard Keynes, John Milton, Vladimir Nabokov, Jawaharlal Nehru, Isaac Newton, Bertrand Ru