Edward Jenner.
D000787:Angina Pectoris / Q000266:history; D000818:Animals; D001317:Austria; D001522:Behavior, Animal; D001717:Birds; D004196:Disease Outbreaks / Q000266:history; D004739:England; D006605:Hibernation; D049671:History, 18th Century; D049672:History, 19th Century; D006801:Humans; D007117:Immunization, Secondary / Q000266:history; D012899:Smallpox / Q000266:history* / Q000517:prevention & control; D014611:Vaccination / Q000266:history*; D014615:Vaccinia / Q000266:history