MEV5047645: Da Vinci's knots / Veneranda Biblioteca Ambrosiana, Milan, Italy / Bridgeman Images

JLJ4668126: The Virgin, the Child Jesus, Saint John the Baptist and an Angel or “The Virgin with the Rocks”” painting by Leonard de Vinci (Leonardo da Vinci) (1452-1519) 16th century Sun. 1,99x1,22 m, Vinci, Leonardo da (1452-1519) / Louvre, Paris, France / Bridgeman Images

GIM5037941: Two man profiles, an old man and a young man. The young man represents Gian Giacomo Caprotti, known as Andrea Salai or Salaij (circa 1480-1524), Leonard's pupil and lover. Drawing a la sanguine by Leonardo da Vinci (Leonard de Vinci) (1452-1519) Florence, Galleria degli Uffizi (Offices), Vinci, Leonardo da (1452-1519) / Bridgeman Images

LAL337048: Leonardo da Vinci, McBride, Angus (1931-2007) / Private Collection / Bridgeman Images

ROC3740754: The left hand of St Thomas in the Last Supper, after Leonardo da Vinci, c.1515 (red chalk with white heightening, on pale red prepared paper), Sesto, Cesare da (1477-1523) / Royal Collection Trust / Bridgeman Images

JLJ4669538: Science and technology: manuscript on flying machines, helicopter ancestor. Book of Leonardo da Vinci (Leonardo da Vinci) (1452-1519). Around 1487. Paris, Library of the Institut de France, Vinci, Leonardo da (1452-1519) / Bibliotheque de l'Institut de France, Paris, France / Bridgeman Images

GIM5037934: Leonardo da Vinci (Leonardo da Vinci) (1452 - 1519): Portrait of Francis (Francesco) Sforza (1491-1512), son of Gian Galeazzo Maria Sforza (Jean Galeas Marie Sforza) (1469-1494), Duke of Milan, Vinci, Leonardo da (1452-1519) / Bridgeman Images

MEV5046532: Codex Atlanticus, sheet 670 recto, Vinci, Leonardo da (1452-1519) / Veneranda Biblioteca Ambrosiana, Milan, Italy / Bridgeman Images

MEB848318: Refectory of Santa Maria delle Grazie, Milan. On the back wall The Last Supper, by Leonardo da Vinci, 15th Century, tempera and oil on two layers of plaster, Vinci, Leonardo da (1452-1519) / Cenacolo di Santa Maria delle Grazie (Cenacolo Vinciano), Milan, Lombardy, Italy / Bridgeman Images

GIM5038485: The Annunciation, 1472 - 1475, 98x217 cm, by Leonardo da Vinci (Leonardo da Vinci) (1495-1497) - Uffizi Museum in Florence., Vinci, Leonardo da (1452-1519) / Bridgeman Images

LRI4635228: Geometry: “” An Icosahedron”” Page taken from the manuscript “” De divina proportione”” (On divine proportions) by mathematician Fra Luca Pacioli dit Luca di Borgo (1445-1517) illustrated by Leonardo da Vinci (1452-1519).1509., Vinci, Leonardo da (1452-1519) / Private Collection / Bridgeman Images

LAL3641234: Leonardo Da Vinci explaining possible war engines to Ludovico Sforza (gouache on paper), McBride, Angus (1931-2007) / Private Collection / Bridgeman Images

GIM4253598: Leonardo da Vinci (Leonardo da Vinci) (1452 - 1519): Copy of the Battle of Anghiari (June 29, 1440), Vinci, Leonardo da (1452-1519) / Bridgeman Images

TRK831830: The Rearing Horse and Mounted Warrior. Bronze. 16th century. Attributed to Leonardo da Vinci (1452-1519)., Vinci, Leonardo da (1452-1519) (attr.to) / Museum of Fine Arts (Szepmuveszeti) Budapest, Hungary / Bridgeman Images

MEV5046591: Codex Atlanticus, sheet 700 recto, Vinci, Leonardo da (1452-1519) / Veneranda Biblioteca Ambrosiana, Milan, Italy / Bridgeman Images

MEV5045712: Codex Atlanticus, sheet 265 recto, Vinci, Leonardo da (1452-1519) / Veneranda Biblioteca Ambrosiana, Milan, Italy / Bridgeman Images

MEV5045884: Codex Atlanticus, sheet 351 recto, Vinci, Leonardo da (1452-1519) / Veneranda Biblioteca Ambrosiana, Milan, Italy / Bridgeman Images

MEV5046864: Codex Atlanticus, sheet 836 recto, Vinci, Leonardo da (1452-1519) / Veneranda Biblioteca Ambrosiana, Milan, Italy / Bridgeman Images

MEV5046264: Codex Atlanticus, sheet 541 recto, Vinci, Leonardo da (1452-1519) / Veneranda Biblioteca Ambrosiana, Milan, Italy / Bridgeman Images

MEV5047338: Codex Atlanticus, sheet 1073 recto, Vinci, Leonardo da (1452-1519) / Veneranda Biblioteca Ambrosiana, Milan, Italy / Bridgeman Images

MEV5045548: Codex Atlanticus, sheet 183 recto, Vinci, Leonardo da (1452-1519) / Veneranda Biblioteca Ambrosiana, Milan, Italy / Bridgeman Images

MEV5045629: Codex Atlanticus, sheet 223 verso, Vinci, Leonardo da (1452-1519) / Veneranda Biblioteca Ambrosiana, Milan, Italy / Bridgeman Images

MEV5045642: Codex Atlanticus, sheet 230 recto, Vinci, Leonardo da (1452-1519) / Veneranda Biblioteca Ambrosiana, Milan, Italy / Bridgeman Images

MEV5047324: Codex Atlanticus, sheet 1066 recto, Vinci, Leonardo da (1452-1519) / Veneranda Biblioteca Ambrosiana, Milan, Italy / Bridgeman Images

MEV5046807: Codex Atlanticus, sheet 808 recto, Vinci, Leonardo da (1452-1519) / Veneranda Biblioteca Ambrosiana, Milan, Italy / Bridgeman Images

MEV5046809: Codex Atlanticus, sheet 809 recto, Vinci, Leonardo da (1452-1519) / Veneranda Biblioteca Ambrosiana, Milan, Italy / Bridgeman Images

MEV5046074: Codex Atlanticus, sheet 446 recto, Vinci, Leonardo da (1452-1519) / Veneranda Biblioteca Ambrosiana, Milan, Italy / Bridgeman Images

MEV5046166: Codex Atlanticus, sheet 492 recto, Vinci, Leonardo da (1452-1519) / Veneranda Biblioteca Ambrosiana, Milan, Italy / Bridgeman Images

MEV5046870: Codex Atlanticus, sheet 839 recto, Vinci, Leonardo da (1452-1519) / Veneranda Biblioteca Ambrosiana, Milan, Italy / Bridgeman Images

MEV5045978: Codex Atlanticus, sheet 398 recto, Vinci, Leonardo da (1452-1519) / Veneranda Biblioteca Ambrosiana, Milan, Italy / Bridgeman Images

MEV5047096: Codex Atlanticus, sheet 952 recto, Vinci, Leonardo da (1452-1519) / Veneranda Biblioteca Ambrosiana, Milan, Italy / Bridgeman Images

MEV5045564: Codex Atlanticus, sheet 191 recto, Vinci, Leonardo da (1452-1519) / Veneranda Biblioteca Ambrosiana, Milan, Italy / Bridgeman Images

MEV5045643: Codex Atlanticus, sheet 230 verso, Vinci, Leonardo da (1452-1519) / Veneranda Biblioteca Ambrosiana, Milan, Italy / Bridgeman Images

MEV5046597: Codex Atlanticus, sheet 703 recto, Vinci, Leonardo da (1452-1519) / Veneranda Biblioteca Ambrosiana, Milan, Italy / Bridgeman Images

MEV5046659: Codex Atlanticus, sheet 734 recto, Vinci, Leonardo da (1452-1519) / Veneranda Biblioteca Ambrosiana, Milan, Italy / Bridgeman Images