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dec 19, 1856 - Louis Pasteur

Description:

1856: Discovered microbial fermentation while studying causes of spoilage beer and wine
1862: Disproved spontaneous generation with neck swan-flask

Picture Reference: https://en.wikipedia.org/wiki/Louis_Pasteur

Added to timeline:

13 Dec 2018
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Date:

dec 19, 1856
Now
~ 169 years ago

Images: