Louis PasteurLouis Pasteur was born on December 27, 1822 in Dole, France. When he was five, his family moved to Arbois, France. He attended the University of Paris and earned a doctorate in science in 1847. He began teaching chemistry at the University of Strasbourg, where he met his wife, Marie Laurent, who shared Pasteur's interest in science. Marie and Pasteur married in 1849 and had five children, two of whom survived to adulthood. Pasteur eventually taught chemistry and became dean of the science school at the University of Lille. While Pasteur was in Lille, a local distiller asked for help in controlling the fermentation of beet sugar. Pasteur realized that fermentation was not a simple chemical process but that living organisms were involved. This led him to discover that fermentation, infection and spoilage were the result of microbes. The first article he published dealt with lactic acid and its role in the acidification of milk. He spent many years studying microbes and proving that they do not come from matter, but come from outside. He ended up...