While she lived, the Mexican painter Frida Kahlo was known mainly as the wife of the famed muralist Diego Rivera. Yet in the decades since her death, Kahlo has become hugely famous in her own right and is probably now better known than her husband. In 1990, Kahlo became the first Mexican artist to break the one million mark at an auction. The vivid, self-portraits that Kahlo created in the thirties and forties continue to be widely sought after by collectors willing to pay high prices for her paintings. Although Kahlo is often described as a painter intent on exploring her own personal reality, many of her paintings include references to Mexico’s political and social history. It’s not surprising, then, that in 1985, the Mexican government publicly proclaimed her work a national treasure. What is the central idea?