Born January 12, 1883 in Paris Death in Metz in 1977, he is a genre painter.
Originally from Lorraine through his mother, he lived in Metz and studied at the École des Beaux-Arts in Paris from 1902, where he was a student of Léon Bonnat and Luc-Olivier Merson at the Académie Julian de Jules Lefebvre ( for engraving) and T. Robert-Fleury, at the Beaux-Arts in Nancy, he was a pupil of Jules Larcher.
Gaston Hoffmann exhibited regularly at the Salon des Artistes Français from 1905, as well as at the Salon des humoristes. In 1918, G. Hoffmann collaborated with Charles Schneider, his friend, met at the Beaux-Arts, whose glassworks in Épinay-sur-Seine took off with the School of Nancy and enjoyed great success in the 1925s. 1922-1923, G. Hoffmann works for the Manufacture de Sèvre.
The same year, he produced the poster for the film Vidocq. In 1925: the artist decorates the Kerhulu restaurant in Quebec City: La Faim et la Soif. These works are now kept at the Musée national des Beaux-Arts du Québec, thanks to a donation from Jean Piché in 1983.
He will be professor of drawing for the City of Paris. He taught drawing and decorative composition at the École des Beaux-arts de Québec from 1924 to 1926. In 1946, the painter decorated the hall of the municipal council of the town hall of Noyon representing the great hours of history from the city.