Françoise Cachin was a French art historian and curator. She was the founding director of the Musée d’Orsay and the author of numerous books on 19th-century French painting.
Georges Pierre Seurat was a French post-Impressionist artist. He devised the painting techniques known as chromoluminarism and pointillism and used conté crayon for drawings on paper with a rough surface.
Georges Seurat, 1889–90, Le Chahut, oil on canvas, 170 x 141 cm, Kröller-Müller Museum, Otterlo
Bathers at Asnières, 1884, oil on canvas, 201 × 301 cm, National Gallery, London
Jeune femme se poudrant (Young Woman Powdering Herself), 1888–1890, oil on canvas, 95.5 x 79.5 cm, Courtauld Institute of Art