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Soviet Science fiction, inspired by scientistic revolution, industrialisation, and the country's space pioneering, was flourishing, albeit in the limits allowed by censors. Early science fiction authors, such as Alexander Belyayev, Grigory Adamov, Vladimir Obruchev, Aleksey Nikolayevich Tolstoy, stuck to hard science fiction and regarded H. G. Wells and Jules Verne as examples to follow. Two notable exclusions from this trend were Yevgeny Zamyatin, author of dystopian novel "We", and Mikhail Bulgakov, who, while using science fiction instrumentary in "Heart of a Dog", "The Fatal Eggs" and "", was interested in social satire rather than scientistic progress. The two have had problems with publishing their books in Soviet Union.