Kostomarov Nikolay Ivanovich (1817-1885), historian, writer, associate member of the St. Petersburg Academy of Science (1876). One of the leaders of Cyrill-Methodius society (1846), which stood for the creation of the federation of Slav peoples with Ukraine as the head. In 1847, he was arrested and sent to exile in Saratov. 1859-62, he was professor of the St. Petersburg University. Author of a number of works on the social, political and economical history of Russia and Ukraine. Compiled a collection of Ukrainian folklore, poems, fiction, both in Russian and Ukrainian