Question

Who is charles good Eare​

Answer 1

Answer:

$Charles Goodyear (December 29, 1800 – July 1, 1860) was an American self-taught chemist and manufacturing engineer who developed vulcanized rubber, for which he received patent number 3633 from the United States Patent Office on June 15, 1844.}$

Answer 2

Answer:

Best, in full Charles Herbert Best, (born February 27, 1899, West Pembroke, Maine, U.S.—died March 31, 1978, Toronto, Ontario, Canada), physiologist who, with Sir Frederick Banting, was one of the first to obtain (1921) a pancreatic extract of insulin in a form that controlled diabetes in dogs.