London, UK. 11.02.2015. "Magnificent Obsessions: The Artist as Collector" opens at the Barbican Art Gallery and runs from February 12th to 25th May 2015. This is the first major exhibition in the UK to present the fascinating personal collections of post-war and contemporary artists, including Arman, Peter Blake, Hanne Darboven, Edmund de Waal, Damien Hirst, Howard Hodgkin, Dr Lakra, Sol LeWitt, Martin Parr, Jim Shaw, Hiroshi Sugimoto, Andy Warhol, Pae White and Martin Wong/Danh Vo. Picture shows: A visitor looks at Sol de Witt's collection.. Photograph © Jane Hobson.