Aleksandr Ivanovich Kuprin was a Russian writer best known for his novels The Duel (1905) and Yama: The Pit (1915), as well as Moloch (1896), Olesya (1898), "Captain Ribnikov" (1906), "Emerald" (1907), and The Garnet Bracelet (1911) – the latter made into a 1965 movie.