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jan 1, 1854 - Pettenkofer

Description:

Was unconvinced of the germ theory. So he drank a glass of water with cholera in it and nothing happened to him.

Added to timeline:

Marissa Milne

ByMarissa Milne

8 Oct 2017

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580

Date:

jan 1, 1854

Now

~ 172 years ago

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