Ignatius Brianchaninov or Ignaty Brianchaninov (born Dmitry Alexandrovich Brianchaninov; Russian: Дмитрий Александрович Брянчанинов, IPA: [dmʲitrʲɪj ɐlʲɪkˈsandrəvʲɪdʑ brʲɪnʲtɕɪˈnʲinəf]; 15 February 1807 – 30 April 1867) was a bishop and theologian of the Russian Orthodox Church. He stands out as one of the greatest Eastern Orthodox patristic writers of the nineteenth century. He was glorified (canonized) as a saint by the 1988 meeting of the Local Council of the Russian Orthodox Church. His relics are preserved at the ancient Tolga Monastery on the Volga River near Yaroslavl. Life and work.
https://en.wikipedia.org/wiki/Ignatius_Brianchaninov