Helen M. Knowlton

Helen Mary Knowlton (August 16, 1832 – May 5, 1918) was an American artist, art scholarly and author. She taught in Boston from 1871 until the mid-1910s, when she was in her 70s. Her assistant professor and well along employer, William Morris Hunt, was the subject of a portrait she made and several books; she is considered his principal biographer.