Champfleury was the pen name of Jules François Felix Fleury-Husson, a French writer who lived from 1821 to 1889. He was a key figure in the Realist movement, both in art criticism and literature.
Art Critic and Champion of Realism: Champfleury met Charles Baudelaire in Paris and began writing art criticism under his pen name in the 1840s. He was an early supporter of Gustave Courbet, a famous Realist painter, and helped promote the Realist movement through his writing.
Novelist and Realist Theory: Champfleury wasn't just interested in visual arts. He also wrote novels and is considered a Realist novelist himself. His book Le Réalisme (1857) was an important theoretical work that analyzed the Realist movement