Harvard and Oxford are the two most prestigious universities in the world and the debate over which is truly the best has raged for centuries. Harvard has produced 8 US presidents, 161 Nobel laureates, and more billionaires than any other university on Earth. Oxford has educated 28 British prime ministers, 72 Nobel Prize winners, and some of the greatest thinkers in human history including Stephen Hawking, Oscar Wilde, and J.R.R. Tolkien. Harvard dominates the global university rankings. Oxford has 900 years of history and tradition. Both charge eye-watering tuition fees. Both attract the world's brightest students. But which one truly deserves the title of the world's greatest university?