“One of the most beautiful, I dare say, in the world,” art historian Sir Kenneth Clark once said of Leonardo da Vinci’s 15th-century metalpoint Head of a Young Woman. (https://www.architecturaldigest.com/story/leonardo-da-vinci-museum-of-fine-arts-boston-article) Because he left so few paintings, Leonardo’s drawings have been recognized for centuries as the deepest window into the workings of his mind. One drawing, Head of a Young Woman (about 1483–85), has been considered by some to be the “most beautiful drawing in the world,” bringing together his ideal of beauty and convincing naturalism to an astonishing degree. (https://en.wikipedia.org/wiki/Leonardo_da_Vinci)