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Louis Pasteur
Decay is caused by germs in the air Found that bacteria turned beer sour 1861 published germ theory Helped to produce safer surgery Produced vaccines in 1879, produced a weak strain of chicken cholera Giving animals the strain prevented disease
Pasteur was a French chemist and biologist who proved the germ theory of disease and invented the process of pasteurisation.
Pasteurization or pasteurisation is a process of heating a food, which is usually a liquid, to a specific temperature for a predefined length of time and then immediately cooling it after it is removed from the heat. This process slows spoilage caused by microbial growth in the food.
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