Which inventor first used celebrity endorsements to promote their invention, revolutionizing product marketing in the late 1800s?

Throughout history, revolutionary inventions and discoveries have needed equally innovative advertising campaigns to capture public imagination. This poll explores a groundbreaking advertising technique that changed how new technologies were marketed to consumers. Test your knowledge about the intersection of technological innovation and advertising history!

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Thomas Edison with the phonograph, using testimonials from famous musicians
Alexander Graham Bell with the telephone, featuring endorsements from government officials
George Eastman with the Kodak camera, utilizing popular photographers of the era
Nikola Tesla with alternating current, showcasing endorsements from renowned scientists