Jenner, Edward, an English physician, born in Berkeley, and practised there; was the discoverer of inoculation with cowpox as a preventive of smallpox, or vaccination as it is called, a discovery which has immortalised his name (1749‒1822).
Definition taken from The Nuttall Encyclopædia, edited by the Reverend James Wood (1907)
“Jenkins's Ear,” * Jenner, Sir William