“At 84, the man considered by many to be the world’s greatest living painter—and its priciest, too, at least at auction, where his record stands at $46.4 million for 1986’s Abstraktes Bild, just behind Jeff Koons’s $58.4 million sculpture Balloon Dog (Orange)—is still vigorously creating work. But before he created these paintings, he had barely put brush to canvas in four years.”