MEV5046912: Codex Atlanticus, sheet 860 recto, 1478-1518 (pen & ink), Vinci, Leonardo da (1452-1519) / Veneranda Biblioteca Ambrosiana, Milan, Italy / Bridgeman Images

XJF311636: Study with Shields for Foot Soldiers and an Exploding Bomb, c.1485-88 (pen and ink on paper), Vinci, Leonardo da (1452-1519) / Ecole Nationale Superieure des Beaux-Arts, Paris, France / Bridgeman Images

TRK879442: Alhazen's problem from Atlantic Codex (Codex Atlanticus) , Vinci, Leonardo da (1452-1519) / Museo Nazionale della Scienza e della Tecnologia 'Leonardo Da Vinci', Milan, Italy / Bridgeman Images

IMJ249537: L.H.O.O.Q, shaved, 1965 (colour litho), Duchamp, Marcel (1887-1968) / The Israel Museum, Jerusalem, Israel / Bridgeman Images

BLH7078872: The Madonna of the Yarnwinder, c.1499 (X-ray), Vinci, Leonardo da (1452-1519) / National Galleries of Scotland, Edinburgh / Bridgeman Images

PRX3124922: Female head, Vinci, Leonardo da (1452-1519) / Bridgeman Images

XOS3432874: Compositional Sketches for the Virgin Adoring the Christ Child, 1480-85 (silverpoint), Vinci, Leonardo da (1452-1519) / Metropolitan Museum of Art, New York, USA / Bridgeman Images

MEB857917: Study for the Battle of Anghiari: Fight between Foot Soldiers and Riders (Two Fights between Riders and Foot Soldiers), 1504 - 1506 (watercolor shades, ink, browned paper), Vinci, Leonardo da (1452-1519) / Gallerie dell'Accademia, Venice, Italy / Bridgeman Images

LRI4632326: Leonardo da Vinci (Leonardo da Vinci, 1452-1519) offers his inventions and discoveries in artistic, mechanical and physical matter to the Duke of Milan Lodovico il Moro (Ludovic Marie Sforza, known as the More or Ludovico Maria Sforza) (1452-1508)” To his left the mathematician Fra 'Luca Pacioli dit Luca di Borgo (1445-15go (1445-1508) 17)”” Fresco by Nicola Cianfanelli (1793 -1848) Florence, Tribuna Galileiana, Cianfanelli, Nicola (1793-1848) / Istituto e Museo di Storia della Scienza, Florence, Italy / Bridgeman Images

ROC7203281: A map of a river and a valley, c.1506-7 (Pen and ink), Vinci, Leonardo da (1452-1519) / Royal Collection Trust / Bridgeman Images

MEV5047599: De Divina Proportione, Figure XXX, sheet 106 recto: Cut empty dodecahedron, Dvodecedron abscisvs vacvvs, Vinci, Leonardo da (1452-1519) (attr.to) / Veneranda Biblioteca Ambrosiana, Milan, Italy / Bridgeman Images

MEV5047607: De Divina Proportione, Figure XXXVIII, sheet 110 recto: Elevated empty body with twenty-six bases, rhombicuboctahedron, Vigintisex basivm elevatvs vacvvs, Vinci, Leonardo da (1452-1519) (attr.to) / Veneranda Biblioteca Ambrosiana, Milan, Italy / Bridgeman Images

MEV5047594: De Divina Proportione, Figure XXV, sheet 103 verso: Elevated solid icosahedron, Ycocedron elevatvs solidvs, Vinci, Leonardo da (1452-1519) (attr.to) / Veneranda Biblioteca Ambrosiana, Milan, Italy / Bridgeman Images

MEV5047589: De Divina Proportione, Figure XX, sheet 101 recto: Elevated empty octahedron, Octocedron elevatvs vacvvs, Vinci, Leonardo da (1452-1519) (attr.to) / Veneranda Biblioteca Ambrosiana, Milan, Italy / Bridgeman Images

GIA4712494: Representation of the painter, sculptor Leonard de Vinci (Leonardo da Vinci) (1452-1519) in his workshop Etching by Domenico Cunego (1726-1803), Cunego, Domenico (1726-1803) / Private Collection / Bridgeman Images

GIM5037922: Study for the Battle of Anghiari (16th century), Vinci, Leonardo da (1452-1519) / Bridgeman Images

CH376613: Caricature of the head of an old man, in profile to the right, c.1507 (pen & brown ink), Vinci, Leonardo da (1452-1519) / Private Collection / Bridgeman Images

ROC443652: A portrait of Leonardo, a head of a man, and horse' fore-leg, c.1517-18 (pen & ink over chalk on paper), Vinci, Leonardo da (1452-1519) (studio of) / Royal Collection Trust / Bridgeman Images

FAF152186: Head of a Young Woman (charcoal on paper), Vinci, Leonardo da (1452-1519) / Galleria degli Uffizi, Florence, Tuscany, Italy / Bridgeman Images

XIR159289: Study of an Angel (chalk on paper) (b/w photo), Vinci, Leonardo da (1452-1519) (attr.to) / Ecole Nationale Superieure des Beaux-Arts, Paris, France / Bridgeman Images

WAM3726178: A Miracle of Saint Donato of Arezzo, c.1479-85 (tempera on panel), Credi, Lorenzo di (1456-1536) / Worcester Art Museum, Massachusetts, USA / Bridgeman Images

RTR5315930: Birds Flight Code, c. 1505-06, paper manuscript, cc. 18, sheet 17 recto, Vinci, Leonardo da (1452-1519) / Biblioteca Reale, Musei Reali, Turin, Piedmont, Italy / Bridgeman Images

BYD3892990: The Virgin and Child, Vinci, Leonardo da (1452-1519) / Bridgeman Images

RTR5315919: Birds Flight Code, c. 1505-06, paper manuscript, cc. 18, sheet 11 verso, Vinci, Leonardo da (1452-1519) / Biblioteca Reale, Musei Reali, Turin, Piedmont, Italy / Bridgeman Images

XJF311685: Fol.145v-a, page from Da Vinci's notebook (pen & ink on paper), Vinci, Leonardo da (1452-1519) / British Museum, London, UK / Bridgeman Images

LAL304591: Leonardo da Vinci, English School, (20th century) / Private Collection / Bridgeman Images

ROC6324022: Designs for a fountain, c.1513 (red chalk, pen & ink, on blue paper), Vinci, Leonardo da (1452-1519) / Royal Collection Trust / Bridgeman Images

CPH256958: Page from a notebook showing figures fighting on horseback and on foot (sepia ink on linen paper), Vinci, Leonardo da (1452-1519) / Gallerie dell'Accademia, Venice, Italy / Bridgeman Images

ROC3703869: The drapery of the Virgin's hip, c.1510-15 (black chalk, with white heightening on paper), Vinci, Leonardo da (1452-1519) / Royal Collection Trust / Bridgeman Images

XLF3787497: The Life of Leonardo da Vinci: Painting the Mona Lisa / Bridgeman Images

JLJ4668126: The Virgin of the Rocks, 16th century (oil on canvas), Vinci, Leonardo da (1452-1519) / Louvre, Paris, France / Bridgeman Images

XJF308755: Leonardo da Vinci's handwriting (pen & ink on paper), Vinci, Leonardo da (1452-1519) / Private Collection / Bridgeman Images

CH987447: L.H.O.O.Q., 1920 & 1942 (pencil and ink on an engraving of Leonardo da Vinci's Mona Lisa), Duchamp, Marcel (1887-1968) / Private Collection / Bridgeman Images

RTR5315915: Birds Flight Code, c. 1505-06, paper manuscript, cc. 18, sheet 9 verso, Vinci, Leonardo da (1452-1519) / Biblioteca Reale, Musei Reali, Turin, Piedmont, Italy / Bridgeman Images

RTR5315933: Birds Flight Code, c. 1505-06, paper manuscript, cc. 18, sheet 18 verso, Vinci, Leonardo da (1452-1519) / Biblioteca Reale, Musei Reali, Turin, Piedmont, Italy / Bridgeman Images

ROC5846282: The drapery of St Anne's legs, c.1517-18 (black and white chalks on paper washed buff), Vinci, Leonardo da (1452-1519) / Royal Collection Trust / Bridgeman Images