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Contributions to Micro

Size of average virus 100 nm
Size of Coccus, Rickettsia, and Bacillus 1 micrometer
Size of flagellum 10 nm
Most bacteria are sized between 1-10 micrometers
Zacharias Janssen Built 1st compd microscope
Robert Hooke First termed cells
van Leeuwenhoek discovered microbes with a single lens contraption that had 300x
Edward Jenner Vaccination in 1796- milkmaid pox
Semmelweis Mathernal morbidity and morgue work link- 1850
John Snow Linked water pumps to cholera outbreak- 1853-4
Pasteur Disproved spontaneous generation using long necked flasks; proposed germ theory (human disease arises from infection of germs); rabies vaccine, silkworm disease and many others
Robert Koch Verified germ theory; Koch's postulates are still used to day in iding diseases-discovered 20+ diseases from 1875-1900; Culture methods, TB and cholera as well as many others
Created by: robinskv



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