Konstantin Petrovich Pobedonostsev was a Russian jurist, statesman, and adviser to three Tsars. He became the chief spokesman for reactionary positions and the éminence grise of imperial politics during the reign of Alexander III of Russia (1881–1894), holding, between 1880 and 1905, the position of Ober-Procurator of the Most Holy Synod, the non-clerical Russian official who supervised the Russian Orthodox Church.