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Louis Pasteur was a French chemist and microbiologist renowned for his discoveries of the principles of vaccination, microbial fermentation and pasteurization.
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Louis Pasteur is the Father of Microbiology & Immunization/Immunology. He popularized "pasteurization" (a process which reneders millk free of disease-producing bacteriaand helps to prevent it from spoiling without destroying the vitamins or changing the taste) and "fermentation" (a chemical change produced by enzymes, particularly and energy-producing transformation of carbs to material yielding alcohols, acids and carbon dioxide.
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