ArchitectLouis ViscontiFrench architect (1791–1853), 1791–1853Photograph of one of their buildings · Nelson Pérez · CC BY-SA 3.0 · Wikimedia Commons2 buildingsFranceFurther readingWikipedia article↗BuildingsAile Lemercier1st arrondissement of Paris, FranceSully Wing1st arrondissement of Paris, France