Speculations about Mona Lisa he had had no access to the actual painting, said that after "every laboratory test possible" in 2004 and 2009 that "no inscriptions, letters or numbers, were discovered during the tests." and that "The ageing of the painting on wood has caused a great number of cracks to appear in the paint, which have caused a number of shapes to appear that have often been subject to over-interpretation". Speculations about Mona Lisa The 16th-century portrait Mona Lisa, or "La Gioconda" ("La Joconde"), painted in oil on a poplar panel by Leonardo da Vinci, has been the subject of a considerable
Cultural references to Leonardo da Vinci Leonardo's backwards handwriting to hide a secret message on the American bookjacket. Among the many criticisms of Brown's writing is that he uses the name da Vinci (meaning "from Vinci") in the manner that surnames are commonly used nowadays. Leonardo would never have been referred to simply as "da Vinci" in his lifetime. Such designations were appended to common baptismal names in order to identify individuals. Films which are about the life of Leonardo or in which he appears as a character: Films which refer to Leonardo's works or inventions: Cultural references to Leonardo da Vinci Leonardo da Vinci (April