Konstantin Thon
Konstantin Andreyevich Thon, also spelled Ton (Russian: Константи́н Андре́евич Тон; October 26, 1794 – January 25, 1881) was an official architect of Imperial Russia during the reign of Nicholas I. His major works include the Cathedral of Christ the Saviour, the Grand Kremlin Palace and the Kremlin Armoury in Moscow.
Read more about Konstantin Thon: Early Life, Russian-Byzantine Revival, Later Years