Los Angeles, lovers and light: David Hockney at 80

From cool blue pools in LA to Yorkshire woodland to desert highways, a major Tate retrospective to mark Hockney’s 80th birthday celebrates his vibrant visionAs a small boy in Bradford, David Hockney would watch his father paint old bicycles and prams. “I love that, even now,” he remembered decades later. “It is a marvellous thing to dip a brush into the paint and make marks on anything, even a bicycle, the feel of a thick brush full of paint coating something.” He k