Alexander Nikanorovich Pomerantsev (Russian: Александр Никанорович Померанцев; 11 November 1849 — 27 October 1918) was a Russian architect and educator responsible for some of the most ambitious architectural projects realized in Imperial Russia and Bulgaria at the turn of the 20th century. An accomplished eclecticist, Pomerantsev practiced Art Nouveau, Byzantine, Russian Revival styles and collaborated with leading structural engineers of his period in creating new types of commercial buildings.
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Alexander Pomerantsev in the context of Byzantine Revival architecture
Neo-Byzantine architecture (also referred to as Byzantine Revival) was a revival movement, most frequently seen in religious, institutional and public buildings. It incorporates elements of the Byzantine style associated with Eastern and Orthodox Christian architecture dating from the 5th through 11th centuries, notably that of Constantinople (present-day Istanbul) and the Exarchate of Ravenna.
Neo-Byzantine architecture emerged in the 1840s in Western Europe and peaked in the last quarter of the 19th century with the Sacré-Coeur Basilica in Paris, and with monumental works in the Russian Empire, and later Bulgaria. The Neo-Byzantine school was active in Yugoslavia in the interwar period.
View the full Wikipedia page for Byzantine Revival architecture