OXFORD, ENGLAND - FEBRUARY 24:  A general view of the Radcliffe Camera building, part of the Bodleian Library, in Oxford city centre on February 24, 2012 in Oxford, England. Oxford University has a student population in excess of 20,000 taken from over 140 countries around the world. The University is made up of 38 independent, self-governing colleges, three of which: University College, Balliol College, and Merton College, were established by the 13th century.  (Photo by Oli Scarff/Getty Images)