1. Pasteur
   1. Fermentation
      1. Pasteurization
         1. Father of Microbiolgy
            1. silkworm disease by protozoa
2. Lister
   1. Disinfectants
      1. Used in surgical procedures
         1. Microorganisms present in air
3. Fleming
   1. Penicillin
      1. 1st Antibiotic
4. Hooke
   1. Saw cells 1st
5. Virchow
   1. Cell Theory
      1. cells arise from preexisting cells
6. van Leewenhoek
   1. Saw live microorganisms
      1. teeth scrapings
7. Gram
   1. method of staining bacteria
8. Redi
   1. Jars of meat
9. Needham
   1. boiled broth into covered flasks
10. Spatlanzani
    1. boiled nutrient solutions in flasks
11. Gram
    1. method of staining bacteria
12. Hess
    1. Agar
13. Bassi
    1. Silkworm disease by fungus
14. Semmelweis
    1. handwashing
       1. prevent disease from one OB pt to another
15. Jenner
    1. Vaccination-small pox
       1. 1st vaccination
16. Koch
    1. Bacterium caused Anthrax