Einstein had offers from several European universities, including Christ Church, Oxford where he stayed for three short periods between May 1931 and June 1933 and was offered a 5-year studentship, but in 1935 he arrived at the decision to remain permanently in the United States and apply for citizenship.
Source: Wikipedia
John Locke was admitted to Christ Church, Oxford, in the autumn of 1652 at the age of twenty. The dean of the college at the time was John Owen, vice-chancellor of the university. Although a capable student, Locke was irritated by the undergraduate curriculum of the time. He found the works of modern philosophers, such as René Descartes, more interesting than the classical material taught at the university.
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Founded in 1546 by King Henry VIII, Christ Church is one of the larger colleges of the University of Oxford with 629 students in 2016.
Source: Wikipedia