Microbiology (history)

Reported that living things are composed of littke boxes or cells.

Said cells arise from pre-existing life "cell theory"

Described living "animalcules" observed in teeth scappings, rain water and perppercorn infusions

Demonstratured that micro-organisms are present in the air, S-shape flask kept micorbes out but let in air, Paterization and fermentation

Showed silk worm disease caused by fungus

Advocated handwashing to prevent transmission of puerperal (childbearing) disease

Used chemical disinfectant to prevent surgical wound infections

Proved bacterium causes anthrax, provided expiermental steps to prove that a specific microbes caused a specific disease,

Innoculated a person with cowpox virus, person then immuned to small pox
Vacca=cow, immunity

Speculated about a "magic bullet" that could destroy a pathogen without harming the host, developed synthetic arsenic drug "salvarsan" to treat sphyillis

discovered 1st anitbiotic, pencillium fungus made penicillin