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
Personal life of Leonardo da Vinci sources: records concerning him, his biographies, his own written journals, his paintings, his drawings, his associates, and commentaries that were made concerning him by contemporaries. Leonardo was born on 15 April 1452, "at the third hour of the night" in the Tuscan hill town of Vinci, in the lower valley of the Arno River in the territory of the Republic of Florence. He was the out-of-wedlock son of the wealthy Messer Piero Fruosino di Antonio da Vinci, a Florentine legal notary, and an orphaned girl, Caterina di Meo Lippi. His full birth name was "Leonardo di ser Piero da Vinci",