Colleges of Durham University mixed in 2005 with the admittance of male undergraduates. One college, Ustinov, admits only postgraduates. Durham operates a collegiate structure similar to that of the University of Oxford and the University of Cambridge, in that all colleges at Durham, being constituent colleges of a "recognised body", are "listed bodies" in the Education (Listed Bodies) (England) Order 2013 made under the Education Reform Act 1988. The "recognised body" in this case is Durham University. Though most of the Durham colleges are governed and owned directly by the University itself, and so do not enjoy the independence of colleges at Oxford and
Johannes van Mildert Guild of Saint Luke in 1610. He possibly undertook a trip to Rome around 1608. It is believed that after 1620 he spent some time in Paris. He became a citizen of Antwerp in 1628. In Antwerp he became friends with Rubens who had a similar background as they were both Flemings who were born abroad and had returned to their home town. When in 1633 Rubens was elected dean of the Antwerp Guild of Saint Luke he was allowed to leave the actual administration in the hands of van Mildert. His nickname 'den Duyts', which means 'the German', refers