Ivan Fedorov - the great Russian enlightener, the man who founded the first printing houses in Russia and Ukraine. In 1564, in Moscow, Fedorov, together with Peter Mstislavets, published the first Russian dated printed book, Apostle. Having moved to Lviv, Fedorov founded the first printing house in Ukraine and in 1574 released the Apostle, in which the publishing mark of Ivan Fedorov first appeared. In the same year, he published the ABC, the first printed Russian textbook that played a colossal role in the formation of Russian pedagogy.