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Natsume Sōseki passed away in 1916, at the age of 50. He was a Japanese novelist, poet, and literary critic who is considered one of the most important writers in modern Japanese literature. Sōseki's work is known for its realism, humor, and social commentary. He is best known for his novels "Botchan" (1906), "I Am a Cat" (1905), and "The Way of the World" (1914).