“The Bacchanale” from Puvis de Chavannes, “Dans le Foret” from Monticelli, “L’Homme a Table” from Toulouse-Lautrec and finally the top piece, the “Infanta Margarita” from Manet.
He has catalogued all the French Drawings in the museum, and authored and co-authored several books on artists including Ingres, Puvis de Chavannes and Claude Lorrain.
Dethomas enrolled at the École des Arts Décoratifs in 1887 at which he studied for a brief time, followed by a more varied course, from 1891 onwards, at the Académie de La Palette (104 Boulevard de Clichy in Montmartre) directed by Henri Gervex, Puvis de Chavannes and Eugène Carrière.
He won the silver medal for painting at the Exposition Universelle in 1889, and in the same year founded the Société Nationale des Beaux-Arts along with Meissonier, Puvis de Chavannes, Rodin, Carolus-Duran and Charles Cottet.