Feofan/Theophan Prokopovich (18 June 1681, in Kiev, Cossack Hetmanate, Tsardom of Russia — 19 September 1736, in St.
Petersburg, Russian Empire) was a Russian Orthodox theologian, writer, poet, mathematician, philosopher, rector of the Kiev-Mogila Academy, and Archbishop of Novgorod.
He elaborated upon and implemented Peter the Great's reform of the Russian Orthodox Church.
Prokopovich wrote many religious verses and some of the most enduring sermons in the Russian language.