In this episode of Half-Arsed History, discover the life of Edward Jenner, a man who perhaps saved more lives than any other human in the history of our species by developing a vaccine for smallpox.
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Images: Smith, John Raphael. Edward Jenner on a tree. Pastel. Circa 18th century. Wellcome Collection, London, United Kingdom. Via Wikimedia.
Half-Arsed History 
