Considered a superstar of pop art, the UK painter was one of the world's most influential artists during his lifetime.

David Hockney, a treasured British artist whose paintings of shimmering pools and colorful iPad drawings became icons of contemporary art, has died, his publicist said Friday. He was 88. Over a seven-decade career, Hockney explored and reimagined classical portraiture, landscape painting and pop art, working in painting, collage, photography and…