Which famous inventor was the first to appear in a commercial advertisement endorsing a product they didn't create themselves?

Throughout history, famous inventors have occasionally endorsed products related to their innovations, creating powerful marketing moments. These endorsements sometimes shaped how their inventions were adopted by the public. Test your knowledge about these fascinating intersections of invention and product endorsement that influenced technological adoption across different eras.

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Thomas Edison (endorsing Gramophone records in 1904)
Alexander Graham Bell (endorsing National Geographic magazine in 1898)
Nikola Tesla (endorsing Westinghouse electrical products in 1893)
George Eastman (endorsing Gillette razors in 1906)