He was the most notorious and misunderstood American artist of his time, and also the most influential. To this day James Abbott McNeill Whistler (1834-1903) is one of the most recognized names in painting because of his celebrated (and endlessly satirized) Whistler's Mother, one of the treasures of the Louvre. He was, to say the least, a character. Born in Massachusetts, he claimed to be a Southerner and wound up living most of his life abroad--in...