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jan 1, 1866 - Lionel Beale

Description:

Profesional microscope user hired by the government to investigate the cow plague.
He recognised the specific microbe responsible for causing the disease in June.
This discovery supported germ theory as if there were microbes in animals then surely there could be microbes in humans.

Added to timeline:

3 Nov 2019
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Date:

jan 1, 1866
Now
~ 160 years ago