Dubbed by Calvin Tomkins "the most highly admired unknown artist in America," Albert York (1928-2009) painted some of the most quietly transcendent pictures of his time over the course of a three-decade career. Because he lived reclusively on the east end of Long Island, far from the contemporaneous artistic foment of Manhattan, his art and its eloquence remained something of a secret, albeit one with extremely devoted followers, such as Jacqueline...