David Hockney ‘Winter Timber, 2009’ Oil on 15 canvases, Private Collection, Copyright David Hockney Photo credit: Jonathan Wilkinson

David Hockney ‘Winter Timber, 2009’ Oil on 15 canvases, Private Collection, Copyright David Hockney Photo credit: Jonathan Wilkinson. David Hockney A Bigger Picture exhibition at the Royal Academy of Arts 2012 David Hockney Royal Academy exhibition 2012 David Hockney London exhibition 2012 David Hockney London show David Hockney paintings 2011 David Hockney iPad paintings David Hockney photo 2012