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The first female scriptwriter of Hollywood was Anita Loos. She was born in 1888 and started her career as a playwright in New York City. She moved to Hollywood in the early 1920s and wrote screenplays for many popular films, including "Gentlemen Prefer Blondes" and "Red-Headed Woman." Loos was a successful and influential screenwriter, and she helped to open the door for other women to work in the film industry.