David Hockney unveils new works on perspective created in Los Angeles

‘Artists don’t retire,’ says 77-year-old at opening of London exhibition showcasing lifelong interest in perspective “I just go on and I’m going to go on until I fall over,” said an indefatigable David Hockney as he opened a show of new work in London on Thursday. “I’ve always got something to do and I’m going to do it. Artists don’t retire ... I like working, what else is there to do?”Hockney was speaking at the first view of a new exhibition showcasing his most recent pai