a French architect, was born at Cologne, August 20, 1793. He entered the School of Fine Arts in Paris in 1810, and became architect to the government in 1818. He made a study of the remains of Greek architecture in Sicily, and followed the Greek artists in applying colors to most of his architectural designs. From 1824 he was engaged in the construction of important public buildings, of which the Church of St. Vincent de Paul is regarded as his masterpiece. He was elected to the Academy of Fine Arts in 1853, and died in Paris, March 25, 1867. His principal productions are, Architecture Antique de la Sicile (Paris, 1826-30, 3 volumes): — Architecture Polychrome chez les Grecs (1831): — Memoire sur Pompei et Petra (1866).