Appointed to a professorship in the department of political economy and statistics at Kharkov University, Sreznevskii became one of the premier Slavisists in the world. Deeply immersed in the culture of Ukraine, he collected stories, folklore, and traditions throughout the region. Kharkov, though, was not big enough for him, and he transferred to St. Petersburg where he worked at both the university and the Academy of Sciences. He continued his travels throughout the Slavic lands in western Russia and those in the Ottoman Empire. His linguistic work was groundbreaking, but he argued that Ukrainian was a dialect, but although it should be studied, it did not form the basis of a separate culture. One of this three sons, Viacheslav, become one of tsarist Russia’s most important photographers, noted for his technical innovations.