Why Is the Mona Lisa So Famous? Leonardo's Portrait Explained

The Mona Lisa is famous for two kinds of reasons: what Leonardo da Vinci put into it, and what happened to it afterwards. On the painting itself, Leonardo used a soft, smoky blending of light and shadow that makes the woman look unusually alive, with an expression that seems to change as you look at her. Outside the painting, a dramatic theft from the Louvre in 1911 turned what had been one respected masterpiece among many into a picture that the whole world recognised. Today it is often called the best known, most visited and most parodied work of art on the planet.

What the painting shows

The Mona Lisa is a half-length portrait of a woman sitting very upright in a chair, her arms folded and her hands resting one on top of the other. She looks straight at the viewer. Behind her, a wide imaginary landscape stretches away to icy mountains, winding paths and a small distant bridge, with almost no sign of people. It was one of the first Italian portraits to place the sitter in front of an imagined landscape like this.

Leonardo also made a clever choice about the horizon. Instead of putting it at the level of the woman's neck, he set it at the level of her eyes, which ties the figure and the landscape together and adds to the calm, mysterious feeling of the whole picture. Look closely and you will notice something else: she has no clearly visible eyebrows or eyelashes. Some researchers think they were painted originally and faded over time, perhaps because of cleaning.

Who was the woman?

The traditional answer is Lisa del Giocondo, a woman from the Gherardini family of Florence who married a wealthy silk merchant named Francesco del Giocondo. The English title comes from "Monna Lisa", where "monna" is an old polite Italian form of address, a little like "Madam" or "my lady". In Italian the painting is also called La Gioconda, and in French La Joconde, a play on her married name that also means "the cheerful one".

There is solid evidence for the main story. In 2005 a scholar in Heidelberg found a note written in the margin of an old book in October 1503 by Agostino Vespucci, saying that Leonardo was then working on a portrait of Lisa del Giocondo. Even so, people have proposed many other sitters over the years, from noblewomen to Leonardo himself. Most experts still accept Lisa as the most likely answer.

Who painted it, and when?

Leonardo da Vinci (1452–1519) was an Italian painter, engineer, scientist and inventor, often seen as the perfect example of a "Renaissance man". He trained in Florence in the workshop of the sculptor and painter Andrea del Verrocchio and later worked for the ruler of Milan, Ludovico Sforza.

The Mona Lisa is painted in oil on a panel of white poplar wood. It was long thought to have been painted between 1503 and 1506, but Leonardo may have kept working on it as late as 1517. Interestingly, he never handed it over to the Giocondo family. He carried it with him, and after his death in France in 1519, the French king Francis I acquired it.

The secret of the smile: sfumato

The word most often used to explain the painting's magic is sfumato, from the Italian for "smoke". Instead of drawing sharp outlines, Leonardo blended tones so gradually that edges seem to melt into each other. This creates an uncertain mood, especially at the corners of the mouth and the corners of the eyes.

That is why the smile seems to come and go. A 2003 study by Harvard neuroscientist Margaret Livingstone suggested that the smile is easier to see with our peripheral vision than when we look directly at the mouth, because the eye picks up soft shadows better at the edges of our vision. Leonardo was also one of the first painters to use aerial perspective, making distant mountains paler and bluer so that the landscape seems to recede into the air.

The 1911 theft that made it a star

Here is a surprising fact: in 1911 the Mona Lisa was still not especially popular with ordinary people. On 21 August 1911 it was stolen from the Louvre, and nobody reported it missing until the next day. The museum closed for a week. The poet Guillaume Apollinaire was arrested, and his friend Pablo Picasso was questioned; both were later cleared.

The real thief was Vincenzo Peruggia, a Louvre worker who had helped build the painting's glass case. He hid inside the building and walked out with it. Peruggia, an Italian patriot, believed the painting belonged in Italy. He kept it in his apartment for two years and was caught when he tried to sell it to the director of the Uffizi Gallery in Florence. The painting returned to the Louvre on 4 January 1914. Newspapers around the world followed the story, and the publicity made the face of the Mona Lisa familiar to millions of people who had never thought about it before.

Attacks, glass and a long journey

The painting has had a dramatic life since then. In 1956 a man threw a rock at it, breaking the glass case and damaging a small speck of paint near the left elbow. Since then it has been protected by bulletproof glass, and in later incidents, including a cake thrown at the glass in 2022, the painting itself was not damaged.

It has also travelled. During the Second World War it was moved out of Paris to several hiding places to keep it safe. From December 1962 to March 1963 it was lent to the United States and shown in New York and Washington, where about 1.7 million people queued in New York alone for a glance lasting roughly twenty seconds. In 1974 it was shown in Tokyo and Moscow.

Where is the Mona Lisa now?

The Mona Lisa hangs in the Louvre in Paris, where it has normally been on display since 1797. Since 2005 it has been shown in the museum's Salle des États, in a climate-controlled case behind bulletproof glass. In 2024 plans were announced to give it a separate room of its own, to reduce the queues. A former director of the Louvre once estimated that most visitors come mainly to see this one picture.

Copies, versions and parodies

Several early versions exist. A copy in the Prado Museum in Madrid, cleaned in 2012, is now thought to have been painted by one of Leonardo's pupils in his studio at the same time as the original. Artists have also loved making fun of it. In 1919 Marcel Duchamp drew a moustache and beard on a cheap reproduction and called it L.H.O.O.Q., and Andy Warhol later printed many Mona Lisas side by side.

Why it still matters

The Mona Lisa matters because it changed what a portrait could do. Leonardo gave a private person a living presence, a sense of thought behind the eyes, and a dreamlike world behind her. At the same time, its story shows how fame works: talent made it great, but a theft, newspapers, travel and endless copies made it famous. When you stand in front of it today, you are looking at both a Renaissance experiment in light and the most famous face in the history of art.

Learn with the Mona Lisa: English phrases for art

Phrase	Meaning	Example
an enigmatic smile	a smile that is hard to understand	She gave me an enigmatic smile.
in the background	in the area behind the main subject	There are mountains in the background.
a masterpiece	an excellent, very important work	Many call it Leonardo's masterpiece.
to draw a crowd	to attract many people	The painting always draws a crowd.
to be on display	to be shown to the public	It has been on display since 1797.

Try this: Describe a photo or painting you like in three English sentences, using "in the background" and "an enigmatic smile" (or another expression).