The Well of Days.
He wrote biographies on Chekhov, whom he knew personally, and also on Tolstoy. His long works include The Village, Mitya's Love, and the fictional autobiography The Well of Days. FTP, identify this writer most famous for his short stories and winner of the 1903 Puskin Prize for his translation of Longfellow's Hiawatha and winner of the 1933 Nobel Prize for Literature.
He wrote biographies on Chekhov, whom he knew personally, and also on Tolstoy.
Ivan Bunin