Hudson River School
William Hart (March 31, 1823June 17, 1894), was a Scottish-born American landscape and cattle painter, and Hudson River School artist. His younger brother, James McDougal Hart, and his younger sister, Julie Hart Beers, were also Hudson River School artists, and his nieces Letitia Bonnet Hart and Mary Theresa Hart became well-known painters as well. He studied under Jules-Joseph Lefebvre.