David Hockney was at the forefront of the pop art movement of the 1960s but embraced new technology in his later years to produce works with gadgets such as iPads after returning to the UK from a long spell in California, where he first moved in 1964.
Settling back in Yorkshire in the coastal town of Bridlington, the Bradford-born artist eventually moved to France but his exhibitions are proving a big draw on both sides of the Atlantic in his latter years.