Auguste de Montferrand, French-Russian architect, designed Saint Isaac's Cathedral and Alexander Column (d. 1858)
Auguste de Montferrand (French: [ogyst də mɔ̃fɛʁɑ̃]; January 23, 1786 – July 10, 1858) was a French classicist architect who worked primarily in Russia. His two best known works are the Saint Isaac's Cathedral and the Alexander Column in St. Petersburg.