The three Tolstoys in modern Russian literature referred to Leo Tolstoy, Ivan Peverzev, and Ivan Chekhonin. Leo Tolstoy was the most famous Russian in the 19th century. His masterpieces included War and Peace, Crime and Punishment, Anna Karenina, and so on. His works deeply explored human nature, society and history, which had a profound impact on Russian literature and society. Ivan Pereverzev was another famous Russian in the 19th century. His masterpieces included "The Quiet Don River" and "Old Man Gao". His works were fresh and natural, focusing on describing the emotions and thoughts of the characters. He was considered an important representative in the history of Russian literature. Ivan Chekhonin was another famous Russian in the 19th century. His masterpieces included In Leningrador and Cossacks. His rigorous style of writing focused on describing history and social life, which had an important impact on the development of Russian literature and society.