Ernest Louis Emile GENAULT is a French advertising designer active in the Center-West of France, from the end of the 19th century until the beginning of the 1920s. We know of him many drawings for catalogs, menus, programs, To which are added posters, artistic signs. Also signed posters under the pseudo Er-Guen and Jacques ERNAULT before 1903. Eldest son of Ernest GENAULT and Clémence Adeline BRIAULT, he was born on December 23, 1867 in Châtellerault. His family is settled in Parthenay where they have a trading business. His brother Albert takes over the family business while Ernest talented for drawing start a activity in a illustrations business before settling down as an commercial illustrator in Paris were he lives in the 15th district at 84, rue de l'Abbée Groult before marrying with Hermine GEANTY on October 4, 1897 in Limoges. Home in Châtellerault, rue du Verger, then Paris, rue Monge. On February 1, 1903, he created a general partnership "E. Génault et E. Touzalin", commission, representation, at 11, boulevard de Blossac in Châtellerault. He produces advertisements for local businesses also brands linked to fashion such as the Châtellerault department stores Dion-Labit, the Grand bazar de Parthenay, the hatter Nicouleau & Alluchon or the Parthenay shoe factory. He also made some portraits on oil on canvas.