Amédée Ozenfant the magazine "L’Elan", which he edited until 1916, and his theories of Purism began to develop. He met the Swiss architect and painter Charles-Edouard Jeanneret (Le Corbusier) in 1917, and they jointly expounded the doctrines of Purism in their book "Après le cubisme". Its publication coincided with the first Purist exhibition, held at the Galerie Thomas in Paris in 1917, in which Ozenfant exhibited. There was a further collaboration between them on the journal "L’Esprit nouveau", which was published from 1920 to 1925. A second Purist exhibition was held at the Galerie Druet, Paris, in 1921 in which Ozenfant again
Edouard Hamman "Education of Charles V" for 4,000 francs. Among his other notable works from this period are six paintings of Italian history, commissioned by Victor Emmanuel II, and the series "Celebrated Composers", reproductions from which are still in use. In later years he turned more to genre painting and portraits, including one of King Norodom of Cambodia, which brought him great distinction in that country. His son, Édouard Michel Ferdinand Hamman (1854-1952) became a landscape painter of some note. 1885: Officer in the Order of Leopold. Edouard Hamman Edouard Jean Conrad Hamman (24 September 1819 in Ostend – 30 March 1888