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Lewis Pasteur was born December 27th 1822 in Dole France and died September 28 1895 He earned his master s degree in 1845 at École normale supérieure in Paris France Then acquired his doctorate in 1847 Pasteur was a chemist microbiologist who discovered some of the greatest mysteries of microbiology His contributions to the field of microbiology includes discovering fermentation discovering anaerobic life discovering pasteurization shutting down the spontaneous generation of life theory discovering the germ theory of disease and silkworm disease Pasteur s first discovery was made at the age of 35 In 1858 Pasteur made his first discovery which was Fermentation He discovered fermentation was a process undergoing the work of bacteria and living yeast The yeast is necessary for fermentation to take place Pasteur noted Alcoholic fermentation is an act correlated with the life and organization of the yeast cells not with the death or putrefaction of the cells This study came about when an employee from a vineyard in France asked for Pasteur s help in figuring out why their wine was going bad Then 1862 comes around the corner and he makes another discovery based off his fermentation study From 1858 to 1862 he continued to study the benefits harmful effect of microbes in liquids In conclusion to this study the process of pasteurization is invented Pasteurization is the process of heating milk or brewery products between 60 100 C for several minutes to kill any microorganisms that cause the milk wine or beer to go bad
