Ivan Fyodorov, Russian printer
Ivan Fyodorov (Russian: Ива́н Фёдоров, sometimes transliterated as Fedorov or Fiodorov; c. 1525 in Grand Duchy of Moscow – December 16, 1583 in Lwów, Ruthenian Voivodeship, Polish–Lithuanian Commonwealth) was one of the fathers of Eastern Slavonic printing (along with Schweipolt Fiol and Francysk Skaryna), he was the first known Russian printer in Moscow and the Polish–Lithuanian Commonwealth, he was also a skilled cannon maker and the inventor of a multibarreled mortar.