Robert Koch

• scientist BUT german
• different germs caused different diseases in HUMANS
• published methods that could be used to identify disease - causing microbes - told scientists to take microbes, cultivate and test it on animals
• 1883


  discovered cholera in India
• 1884


  proved it spread through water (proving John Snow)
• developed new methods to grow bacteria - agar jelly in a petri dish -> made it easier to study bacteria under a microscope
• developed methods of staining bacteria->made it easier to study bacteria under microscopes
• received a noble prize for medicine in 1905 - Father of Bacteriology
• taught people to treat disease not symptoms
• IGNORED IN 1700 - 1900