Leonardo da Vinci, St. John the Baptist, c. 1513-1516, oil on panel, 69 x 57 cm (Mus�e du Louvre, Paris)

Leonardo da Vinci, Anatomical Studies, c. 1504-1506, pen on red prepared paper, 253 x 197 mm (Biblioteca Reale, Turin)

Leonardo da Vinci, Head of a Man, c. 1503-1505, red chalk on paper (Gallerie dell'Accademia, Venice)

Leonardo da Vinci, Assault Chariot with Scythes, c. 1485, silverpoint, pen and ink on paper, 210 x 292 mm (Biblioteca Reale, Turin)

Leonardo da Vinci, Mona Lisa (La Gioconda), c. 1503-1505, oil on panel, 77 x 53 cm (Mus�e du Louvre, Paris)

Leonardo da Vinci, Madonna Litta, c. 1490-1491, tempera on canvas, transferred from panel, 42 x 33 cm (The Hermitage, St. Petersburg)

Leonardo da Vinci, Caricature, c. 1495-1506, pen and brown ink, glued onto secondary paper support, 69 x 56 mm (Private collection)

Leonardo da Vinci, Allegory with Wolf and Eagle, c. 1516, red chalk on paper, 170 x 280 mm (Royal Library, Windsor)

Leonardo da Vinci, Ceiling Decoration, c. 1496-1498, fresco and tempera (Sala delle Asse, Castello Sforzesco, Milan)

Leonardo da Vinci, Bird's-eye-view of Sea Coast, c. 1515, pen, ink, watercolour on paper, 272 x 400 mm (Royal Library, Windsor)

Leonardo da Vinci, Annunciation (detail), 1472-1475, oil and tempera on wood (Uffizi Gallery, Florence)

Leonardo da Vinci, Portrait of a Musician, 1490, oil on panel, 43 x 31 cm (Pinacoteca Ambrosiana, Milan)

Leonardo da Vinci, Leda, 1510-1515, oil on panel, 112 x 86 cm (Galleria Borghese, Rome)

Leonardo da Vinci, Adoration of the Magi, c. 1481-1482, oil on panel, 246 x 243 cm (Uffizi Gallery, Florence)

Leonardo da Vinci, La belle Ferroni�re, c. 1490, oil on panel, 63 x 45 cm (Mus�e du Louvre, Paris)

Leonardo da Vinci, Last Supper, 16th century, oil on canvas, 418 x 794 cm (Da Vinci Museum, Tongerlo)

Leonardo da Vinci, Vitruvian Man, 1492, pen, ink, watercolour and metalpoint on paper, 343 x 245 mm (Gallerie dell'Accademia, Venice)

Leonardo da Vinci, Female Head (La Scapigliata), c. 1508, oil on panel, 27 x 21 cm (Galleria Nazionale, Parma)

Leonardo da Vinci, Anatomical Studies of the Shoulder, c. 1510-1511, black chalk, pen and ink on paper, 289 x 199 mm (Royal Library, Windsor)

Leonardo da Vinci, Drawing of a Flying Machine, c. 1485, pen and ink on paper, 23 x 16 cm (Biblioth�que de l'Institut de France, Paris)

Leonardo da Vinci, Self-portrait, c. 1512, red chalk on paper, 333 x 213 mm (Biblioteca Reale, Turin)

Leonardo da Vinci, Annunciation, c. 1472-1475, tempera on wood, 98 x 217 cm (Uffizi Gallery, Florence)

Leonardo da Vinci, Leda, c. 1508-1515, oil on panel, 130 x 77.5 cm (Uffizi Gallery, Florence)

Leonardo da Vinci, Caricature, c. 1495-1506, pen and brown ink, glued onto secondary paper support, 65 x 53 mm (Private collection)

Leonardo da Vinci, Portrait of Cecilia Gallerani (Lady with an Ermine), 1483-1490, oil on wood, 55 x 40 cm (Czartoryski Museum, Krakow)