Monalisa Fixed -

For centuries, the identity of the sitter was a subject of intense debate. Today, most historians agree that the subject is , the wife of Francesco del Giocondo, a wealthy Florentine silk merchant. The title Mona Lisa roughly translates to "Madam Lisa." Leonardo likely began the work around 1503, but notably, he never delivered it to the patron. Instead, he kept it with him until his death in France in 1519, constantly refining it. 2. Leonardo’s Technical Mastery

Leonardo utilized his knowledge of human optics to ensure the sitter's eyes appear to follow the viewer across the room, a feat of geometry and shadow that was revolutionary at the time. 3. The Mystery of the Smile Monalisa

Painted by the Renaissance master Leonardo da Vinci between 1503 and 1506 (with final touches as late as 1517), the portrait of Lisa Gherardini, the wife of a Florentine silk merchant named Francesco del Giocondo, was never delivered to its patron. Leonardo, a perfectionist and a tireless innovator, kept the painting with him for the rest of his life, taking it to France when he entered the service of King Francis I. It is this personal obsession, perhaps, that hints at the painting's extraordinary power. For centuries, the identity of the sitter was

A feature allowing students to ask math and science questions out loud and receive instant, simplified explanations. Instead, he kept it with him until his

The Mona Lisa is the ultimate showcase of Leonardo’s innovative techniques, particularly .