Louis Pasteur was born in Dole (Jura) December 27, 1822 and died in Marnes-la-Coquette (at that time in Seine-et-Oise) September 28, 1895, was a French scientist, chemist and physicist by training, pioneer microbiology, who, even in his lifetime, enjoyed great reputation for having developed a vaccine against rabies. the process he saved millions of people's lives born until friends on December 27th 822 Louis Pasteur attended the école normale university in Paris before becoming a professor of chemistry at the University in 1854 he began studying the problem of spoilage with beer wine and milk approved beverages was born it was because bacteria and other microorganisms are boiled and then cooled there by getting rid of the bacteria and microorganisms. patient then it could also be the cause of contagious diseases it is because of his research that we now know to wash our hands to prevent getting sick before the development of germ Theory surgeons and doctors didn't think they could actually something as large as a human being so they often even wash their hands before cutting it and it is infectious diseases.