Charles Goodyear (1800-1860), American inventor. Goodyear invented the process of vulcanization, a treatment that hardens rubber and greatly raises it

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Charles Goodyear (1800-1860), American inventor. Goodyear invented the process of vulcanization, a treatment that hardens rubber and greatly raises its melting temperature. Despite patenting the process, Goodyear didn't profit from his discovery, and died in debt.

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Photo credit: © LIBRARY OF CONGRESS/SCIENCE PHOTO LIBRARY / Alamy / Afripics
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