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Johannes Gutenberg allowed literacy to greatly expand -
Edward Jenne rprotected people from disease -
Horace Wells provided a great leap forward for medicine -
Alexander Graham Bell spread communication across wide areas -
Karl Benz increased personal mobility and freedom -
John Froelich started agricultural mechanization -
Orville and Wilbur Wright allowed people and products to quickly move -
Guglielmo Marconi & John Baird made the world smaller -
John Atanasoff, et al. transformed business world; predecessor to the Internet
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