Ellen Day Hale was an American Impressionist painter and printmaker from Boston. She studied art in Paris and during her adult life lived in Paris, London and Boston. She exhibited at the Paris Salon and the Royal Academy of Arts. Hale wrote the book History of Art: A Study of the Lives of Leonardo, Michelangelo, Raphael, Titian, and Albrecht Dürer and mentored the next generation of New England female artists, paving the way for widespread acceptance of female artists.