Royal Holloway, University of London (RHUL) is a constituent college of the University of London. The college has three faculties, 18 academic departments, and about 8,000 undergraduate and postgraduate students from over 130 different countries. The campus is located slightly west of Egham, Surrey, within the boundary of the Greater London Urban Area, although outside of the M25 motorway and some 20 miles (32 km) from the geographic centre of London. The Egham campus was founded in 1879 by the Victorian entrepreneur and philanthropist Thomas Holloway. Royal Holloway College was a women-only institution, and was officially opened in 1886 by Queen Victoria. Royal Holloway College became a member of the University of London in 1900. In 1945, the College began admitting male postgraduate students, and in 1965, male undergraduates. In 1985, Royal Holloway College merged with Bedford College (another formerly all-women's college in London which was founded in 1849 and, like Royal Holloway College, joined the University of London in 1900 and became fully co-educational in 1965).