University College (in full The Master and Fellows of the College of the Great Hall of the University of Oxford, colloquially referred to as "Univ"), is a constituent college of the University of Oxford in England. It has a claim to being the oldest college of the university, having been founded in 1249 by William of Durham. As of 2009, the college had an estimated financial endowment of £110m. The college is associated with a number of influential people. Notable alumni include Clement Attlee, C. S. Lewis, Bill Clinton, V. S. Naipaul, Stephen Hawking and Percy Bysshe Shelley.