The Rouen avant-garde was composed of four artists: Charles Angrand, Léon Lemaître, Joseph Delattre and Charles Fréchon. The academician Eugène Brieux gave them the nickname of “Musketeers” in his writings in 1889:
“Like the three musketeers, the Rouen Impressionists are four. Like the three musketeers again, they are young, ardent, loving the struggle, (…)”
While Charles Angrand became close to Seurat during his stays in Paris, the other three grouped around Camille Pissarro, who worked regularly on Rouen. The painters of the School of Rouen will favor plein air painting, small touches and an important place given to the play of shadows and light.
These painters succeeded through their works to express their attachment to their native land. They also managed to capture the changing and misty air atmosphere, so particular to the Norman banks of the Seine.