Final answer:
Edgar Allan Poe is credited with creating the modern detective story and innovating horror literature. His works placed a strong emphasis on suspense, mystery, and psychological depth, influencing many writers that followed.
Step-by-step explanation:
Edgar Allan Poe is indeed widely acknowledged as the inventor of the modern detective story and an innovator in horror literature. These genres were groundbreaking at the time, and Poe demonstrated a new type of storytelling that placed a lot of emphasis on suspense, mystery, and psychological depth. For example, in his story 'The Murders in the Rue Morgue', he introduced the character of C. Auguste Dupin, who became a model for future detectives in literature. His horror stories, like 'The Tell-Tale Heart' and 'The Fall of the House of Usher', set a high standard for subsequent writers in the horror genre.
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