David Hockney's "Portrait of an Artist (Pool with Two Figures)" was auctioned Thursday at Christie's Post-War and Contemporary Art Evening Sale in New York City for a record $90 million ...

and the photo collage "Rain on the Pool," 1982. Sketchbook pages display a masterful, loose line. "Como," 2003 as well as "Andalusia. Mosque, Cordova," 2004, are notable examples. Dedicated Hockney ...