It was in Paris in the middle 1840s that Millet befriended Constant Troyon, Narcisse Diaz, Charles Jacque, and Théodore Rousseau, artists who, like Millet, would become associated with the Barbizon school; Honoré Daumier, whose figure draftsmanship would influence Millet's subsequent rendering of peasant subjects; and Alfred Sensier, a government bureaucrat who would become a lifelong supporter and eventually the artist's biographer. In 1847 his first Salon success came with the exhibition of a painting Oedipus Taken down from the Tree, and in 1848 his Winnower was bought by the government.
In 1850 Millet entered into an arrangement with Sensier, who provided the artist with materials and money in return for drawings and paintings, while Millet simultaneously was free to continue selling work to other buyers as well. At that year's Salon he exhibited Haymakers and The Sower, his first major masterpiece and the earliest of the iconic trio of paintings that would include The Gleaners and The Angelus.
From 1850 to 1853 Millet worked on Harvesters Resting (Ruth and Boaz), a painting he would consider his most important, and on which he worked the longest. Conceived to rival his heroes Michelangelo and Poussin, it was also the painting that marked his transition from the depiction of symbolic imagery of peasant life to that of contemporary social conditions. It was the only painting he ever dated, and was the first work to garner him official recognition, a second-class medal at the 1853 salon.
One of the most well known of Millet's paintings, The Gleaners (1857), was preceded by an earlier version, a vertical composition painted in 1854, and then by an etching of 1855-56 which directly presaged the horizontal format of the painting now in the Musée d'Orsay. It depicts women stooping in the fields to glean the leftovers from the harvest, and is a monumental composition devoted to the rigors of the working class.
Picking up what was left of the harvest was regarded as one of the lowest jobs in society. However, Millet offered these women as the heroic focus of the picture; previously, servants were depicted in paintings as subservient to a noble or king. Here, light illuminates the women's shoulders as they carry out their work. Behind them, the field that stretches into the distance is bathed in golden light, under a wide, magnificent sky. The forms of the three figures themselves, nearly silhouetted against the lighter field, show balance and harmony.
Commissioned by a wealthy American, Thomas G. Appleton, and completed during the summer of 1857, Millet added a steeple and changed the initial title of the work, Prayer for the Potato Crop to The Angelus when the purchaser failed to take possession in 1859. Displayed to the public for the first time in 1865, the painting changed hands several times, increasing only modestly in value, since some considered the artist's political sympathies suspect. Upon Millet's death a decade later, a bidding war between the US and France ensued, ending some years later with a price tag of 800,000 gold francs.
The disparity between the apparent value of the painting and the poor estate of Millet's surviving family was a major impetus in the invention of the droit de suite, intended to compensate artists or their heirs when works are resold.
In 1870 Millet was elected to the Salon jury. Later that year he and his family fled the Franco-Prussian War, moving to Cherbourg and Gréville, and did not return to Barbizon until late in 1871. His last years were marked by financial success and increased official recognition, but he was unable to fulfill government commissions due to failing health. On January 3, 1875 he married Catherine in a religious ceremony. Millet died on January 20, 1875.
Millet is the main protagonist of Mark Twain's play Is He Dead? (1898), in which he is depicted as a struggling young artist who fakes his death to score fame and fortune. Most of the details about Millet in the play are fictional.
The Angelus was reproduced frequently in the 19th and 20th centuries. Salvador Dalí was fascinated by this work, and wrote an analysis of it, The Tragic Myth of The Angelus of Millet. Rather than seeing it as a work of spiritual peace, Dalí believed it held messages of repressed sexual aggression. Dalí was also of the opinion that the two figures were praying over their buried child, rather than to the Angelus. Dalí was so insistent on this fact that eventually an X-ray was done of the canvas, confirming his suspicions: the painting contains a painted-over geometric shape strikingly similar to a coffin. However, it is unclear whether Millet changed his mind on the meaning of the painting, or even if the shape actually is a coffin.