Which inventor famously became the first brand ambassador for his own invention by staging public demonstrations where he deliberately electrocuted an elephant to showcase his technology?

Throughout history, certain individuals have become synonymous with groundbreaking inventions and discoveries, essentially becoming the first 'brand ambassadors' for revolutionary technologies. These pioneers not only created innovations but also became the public face associated with them, shaping how the world perceived these new products. Test your knowledge about these iconic figures who personified their inventions!

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Thomas Edison promoting DC electrical current
Alexander Graham Bell demonstrating the telephone
Nikola Tesla promoting his wireless transmission system
Guglielmo Marconi showcasing radio technology