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Vaccination
Edward Jenner protected people from disease.
Edward Jenner - Wikipedia -
Automobile
Karl Benz increared communication a cross Wide areas.
The Invention of the Automobile - Karl Benz and Gottlieb ... -
GaspaWered Tractar
Joln Froelich strarted agricultural mechanization.
https://www.history.com/this-day-in-history/john-froelich-inventor-of-the-gas-powered-tractor-is-born -
Radioand Television
Guglelmo Marcani y Jolm Baird made the World smaller .
Radio and Tv - Fondazione Guglielmo Marconi -
Computer
John Atananasoff et al .Tramfarmed people from disease. Computer John | Computer Repairs Weymouth ...