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Alexander Graham Bell
Spread communication across wide areas.
https://en.wikipedia.org/wiki/History_of_the_telephone -
Karl Benz
Increased personal mobility and freedom
https://en.wikipedia.org/wiki/History_of_the_automobile -
Orville and Wilbur Wright
Allowed people and products to quickly move.
https://en.wikipedia.org/wiki/Airplane -
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John Atanasoff
Transformed business world; predecessor to the Internet.
https://en.wikipedia.org/wiki/Computer