Robert Albert Bloch (; April 5, 1917 – September 23, 1994) was an American fiction writer, primarily of crime, psychological horror, and fantasy, much of which has been dramatized for radio, cinema and television. He also wrote a relatively small amount of science fiction. His writing career lasted 60 years, including more than 30 years in television and film. He began his professional writing career immediately after graduation from high school, aged 17. He is best known as the writer of the novel Psycho (1959), the basis for the 1960 film Psycho directed by Alfred Hitchcock.
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