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Nobel laureate in Literature and central figure of modern Hebrew literature, known for his profoundly characteristic narrative art depicting Jewish life

Polish science fiction author, philosopher, and futurologist, globally renowned for his novel Solaris and his satirical insights into humanity's future

Estonian teacher and linguist best known as the creator of Interlingue (Occidental), an international auxiliary language

Russian Marxist revolutionary, central figure in the October Revolution and Russian Civil War, whose ideas founded Trotskyism