sentences:  Neo-Gothic churches built in Paris included Sainte-Clothilde by Theodore Ballu (1841–57), and Saint-Laurent, Paris by Simon-Claude-Constant Dufeux (1862–65).Jean-Baptiste Lassus became the most prolific neo-Gothic architect in France, constructing Saint-Nicolas de Nantes (1840), Sacré-Coeur de Moulins (1849), Saint-Pierre de Dijon (1850), Saint-Jean-Baptiste de Belleville (1853) and the Église de Cusset (1855).The Saint-Eugene-Sainte-Cécile in Paris by Louis-Auguste Boileau and Adrien-Louis Lasson (1854–55) was the most innovative example of neo-Gothic; it combined a traditional Gothic design with a modern iron framework.