City, University of London is a public research university in London in the United Kingdom. Until 2016 its name was City University, London, or colloquially, City. Durham University (legally the University of Durham) is a collegiate public research university in Durham, North East England, with a second campus in Stockton-on-Tees. It was founded by an Act of Parliament in 1832 and granted a Royal Charter in 1837. It was one of the first universities to commence tuition in England for more than 600 years and is one of a number of institutions that has been described as the third-oldest university in England. The Durham University estate includes 63 listed buildings, ranging from the 11th-century Durham Castle to a 1930s Art Deco Chapel. The university also owns and manages the Durham World Heritage Site in partnership with Durham Cathedral. The university's ownership of the World Heritage Site includes Durham Castle, Palace Green, and the surrounding buildings including the historic Cosin's Library. The chancellor of the University is Sir Thomas Allen, who succeeded Bill Bryson in 2012. As a collegiate university, its main functions are divided between the academic departments of the university and 16 colleges. In general, the departments perform research and provide lectures to students, while the colleges are responsible for the domestic arrangements and welfare of undergraduate students, graduate students, post-doctoral researchers and some university staff. The university is a member of the Russell Group of leading UK universities after previously being a member of the 1994 Group. Durham is also affiliated with several university groups including the N8 Research Partnership, the Matariki Network of Universities .