Which famous historical figure was the first celebrity to be paid for endorsing Thomas Edison's phonograph invention in 1878, helping to popularize the revolutionary sound recording device?

Throughout history, inventors have sought endorsements to help popularize their creations. Sometimes these partnerships between inventors and celebrities created iconic marketing moments that changed how products were promoted. Test your knowledge about some of the most influential product endorsement deals that helped launch revolutionary inventions into the mainstream.

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P.T. Barnum
Sarah Bernhardt
President Rutherford B. Hayes
Oscar Wilde