Which famous designer was responsible for creating NASA's alternative 'Worm' logo in 1975, which briefly replaced the classic 'Meatball' logo before being retired in 1992 (and later revived in 2020)?

NASA's visual identity has become one of the most recognizable logos in the world. The famous 'Meatball' logo (the round blue circle with stars and red chevron) has an interesting history in space agency branding. This logo has adorned spacecraft, equipment, and merchandise for decades, becoming synonymous with humanity's greatest space achievements. Test your knowledge about this iconic piece of astronomy-related branding!

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Richard Danne and Bruce Blackburn
Paul Rand
Saul Bass
James Modarelli (who designed the original 'Meatball' logo)