The mystery of the Mona Lisa has been solved by German scholars, who insist the subject of LEONARDO DA VINCI's famous painting was the wife of a Florentine businessman. For centuries art lovers and experts alike attempted to unearth the identity of the enigmatic woman in the famous portrait and now students at Heidelberg University have done just that. They confirm the Mona Lisa is in fact Francesco del Giocondo after finding clues scribbled in the margins of a book penned by Da Vinci's friend Agostino Vespucci in 1503. The scholars now fully understand why Da Vinci dubbed his masterpiece La Gioconda.