 This era produced some first-rate novelists and short-story writers, such as Aleksandr Kuprin, Nobel Prize winner Ivan Bunin, Leonid Andreyev, Fyodor Sologub, Aleksey Remizov, Yevgeny Zamyatin, Dmitry Merezhkovsky and Andrei Bely.After the Revolution of 1917, Russian literature split into Soviet and white émigré parts.While the Soviet Union assured universal literacy and a highly developed book printing industry, it also enforced ideological censorship.