In June 2, 1881, Louis Pasteur proved his theory that germs can cause diseases. Pasteur was a chemist and local veterinarian who proved his theory in a large crowd by injecting lethal anthrax to farm animals. For more information you can go to http://www.hawkhill.com/scripts/193s.html
Louis Pasteur was born December 27th, 1822 and passed away September 28th, 1895. He was considered the first person to determine that germs caused disease. You can find more information about Louis Pasteur by visiting http://www.ask.com/wiki/Louis_Pasteur.