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Hanna-Barbera, the renowned American animation studio responsible for iconic cartoon series like "Scooby-Doo," "The Flintstones," and "The Jetsons," underwent a logo redesign in 1979 under the creative expertise of Saul Bass. Bass, a legendary graphic designer known for his minimalist and impactful style, revamped the studio's logo, leaving a lasting imprint on the visual identity of Hanna-Barbera productions.