James Abbott McNeill Whistler

James Abbott McNeill Whistler (/ˈwɪslər/; July 11, 1834 – July 17, 1903) was an American artist, active during the American Gilded Age and based primarily in the United Kingdom. He was averse to sentimentality and moral allusion in painting, and was a leading proponent of the credo "art for art's sake". His famous signature for his paintings was in the shape of a stylized butterfly possessing a long stinger for a tail