Henri-Joseph Harpignies (1819–1916) was a French landscape painter and watercolorist of extraordinary longevity whose career spanned nearly the entire history of nineteenth-century French art. Born in Valenciennes in northern France, he came to painting relatively late, beginning serious study only in his late twenties under Jean-Alexis Achard, a landscape painter working in the naturalist tradition. He subsequently traveled to Italy on two extended visits, where the clarity of Mediterranean light and the grandeur of the Roman Campagna made a lasting impression on his sensibility.

Harpignies is most closely associated with the Barbizon school and its legacy, though he developed a style distinctly his own. Like the Barbizon masters, he devoted himself to direct observation of the French countryside, painting the oak forests, rivers, and tranquil skies of the Berry region, the Loire Valley, and other inland landscapes with quiet attentiveness. His work is characterized by a serene, almost austere beauty — spare compositions, silvery light, and trees rendered with botanical precision and genuine affection. Contemporaries sometimes compared him to Corot, and while Harpignies' vision is somewhat more structured than Corot's most poetic works, the comparison speaks to the quality and character of his achievement.

A prolific exhibitor at the Paris Salon, Harpignies won recognition throughout his long career, receiving medals and eventually being made an officer of the Légion d'honneur. He worked both in oil and in watercolor, and his watercolors — often produced outdoors with immediate freshness — are among the most admired examples of the medium in nineteenth-century French art. He continued working with remarkable vitality well into his nineties.

Harpignies lived to be ninety-seven years old, a span that allowed him to witness the entire arc from Romanticism through Impressionism to the early avant-garde movements of the twentieth century, while remaining faithful to his own contemplative vision of the natural world. His work endures as a testament to the depth of feeling that patient, honest observation of landscape can achieve.