University of Oxford (hereinafter referred to as "Oxford"), located in Oxford, England, is the world's top public research university, which adopts the college federalism system. The exact date of the university's founding is not known, but the earliest documented teaching dates are from 1096, followed by rapid growth in 1167, when the British royal family supported the university. The University of Oxford is the oldest university in the English-speaking world and the second oldest surviving institution of higher education in the world. The university has produced a number of scientific masters leading The Times, and trained a large number of pioneering artists and heads of state, including 28 British Prime Ministers and dozens of heads of state, political and business leaders from around the world. The University of Oxford is recognized as one of the top institutions of higher education in the world today, with high academic status and extensive influence in many fields such as mathematics, physics, medicine, law and business. Since 1902, Oxford has also established the Rhodes Scholarship for undergraduate students from all over the world. As of March 2019, there are 72 Nobel Prize winners (ninth in the world), three Fields Medal winners (20th in the world), and six Turing Medal winners (ninth in the world) among Oxford's alumni, professors and researchers. The University of Oxford is ranked 1st in the World University Rankings 2020THE World University Rankings 2020QS World University Rankings 4th in the world 2020USNews World University Rankings 5th in the World Academic Rankings 2019 Times Higher Education World University Reputation Rankings 2019. In particular, THE University of Oxford has been ranked number one in the World for four consecutive years from 2017 to 2020.