Posted in Web Leonardo da Vinci: Facts & Biography – Live Science August 30, 2013 This chalk drawing by da Vinci is believed to be a self portrait. Credit: Leonardo da Vinci, ca. 1510-1515 Leonardo da Vinci, perhaps most noted as an artist, was also an architect, inventor and … : https://www.livescience.com/39355-leonardo-da-vinci.html