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John le Carré, the renowned English author of espionage novels, was born on October 19, 1931. He gained prominence for his intricate plots, realistic characters, and insightful exploration of moral complexities within the world of espionage. Carré's works, including "Tinker Tailor Soldier Spy" and "The Spy Who Came in from the Cold," have left a lasting impact on the literary and espionage genres.