Winifred Nicholson. Within the last fifteen years works by Andy Goldsworthy, Peter Howson and Albert Irvin have been acquired. The university collection also includes prints by significant European artists such as Dürer, Miró, Ernst and Vasarely. Lancaster International Concert Series is the main provider of classical music in north Lancashire and Cumbria. Concerts are held within the Great Hall. Between October and March each year the series offers a varied diet of music which includes: orchestral concerts, chamber music, events for young people, jazz, family concerts and world music. Under the leadership of Professor Tony McEnery, Dean of the Faculty of Arts and Social Sciences, music as a subject for study at Lancaster was abandoned in 2009. The Nuffield Theatre, a black box theatre, is one of the largest and most adaptable professional studio theatres in Europe. It presents public performances in the fields of theatre, contemporary dance and live art from some of the best-known and respected companies from the UK and abroad. The focus of the work is new and experimental practice, a focus it shares with many of the teaching and research interest of Lancaster Institute for the Contemporary Arts (LICA). The Nuffield presents up to 30 visiting professional shows a year, plus public performances by students from Theatre Studies, and the university's student theatre and dance societies and a range of local community organisations. The Ruskin - Library, Museum and Research Centre houses archive material related to the poet, author and artist John Ruskin. It is open to the public, although only a small part of the collection is on public display at once. The building was constructed in 1997 by architect Sir Richard MacCormac CBE PPRIBA RA FRSA (1938-2014). The Ruskin Whitehouse Collection housed in The Ruskin is the largest holding of books, manuscripts, photographs, drawings and watercolours by and related to John Ruskin in the world. Conference centre In 2016 the university purchased the 165-acre Forrest Hills conference centre and golf course, located on the M6 opposite the main campus, which it continues to operate as a conference venue. Organisation and administration Colleges The university has nine colleges. Formerly, these were quasi-autonomous bodies providing for accommodation, welfare, social-life and student discipline, but are currently centrally controlled. All members of the university are members of a college, although in recent years academic staff have had decreasing involvement. Most colleges have about eight or nine hundred