Which famous inventor sold his alternating current (AC) electricity patent rights for a surprisingly modest sum, prioritizing wide adoption over personal profit?

Throughout history, some of the most groundbreaking inventions were priced in surprising ways that shaped their adoption and legacy. The pricing strategies behind world-changing patents often reveal fascinating stories about innovation, accessibility, and the inventors' values. Test your knowledge about how some revolutionary discoveries were monetized and how their pricing strategies influenced their historical impact.

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Nikola Tesla, who sold his AC motor patents to Westinghouse for $216,000 (worth about $6.2 million today) and famously tore up a royalty contract worth millions more
Thomas Edison, who sold his light bulb patents to General Electric for a symbolic $1 to ensure universal access to electric lighting
Alexander Graham Bell, who offered his telephone patent to Western Union for $100,000 but was rejected, forcing him to commercialize it himself
Guglielmo Marconi, who donated his radio transmission patents to the public domain during World War I to accelerate global communications