Marysia Lewandowska (born in Poland; lives and works in London, UK) and Neil Cummings (born in Wales; lives and works in London, UK) collaborated on projects between 1995 and 2008, exploring the public function of media archives, collections and exhibitions. Research has played a central part in their joint projects, which include the book The Value of Things (Birkhäuser 2000); Capital inaugurating the Contemporary Interventions series at Tate Modern (2001); and the Enthusiasm project at the CCA, Warsaw; Whitechapel Gallery, London; KunstWerke, Berlin; and Tapies Foundation, Barcelona (2005–06).