1928

Discovered 1st antibiotic.

Observed Penicillium (fungus) and made penicillin to kill S. aureus

Alexander Fleming

Begun Cell Theory

"Looking at cork...described 'boxes'. "

Robert Hooke

Viewed fabric under scope he created, discovered tiny animalcules (microorganisms)

Antoni van Leeuwenhoek

Asked where maggots come from?

Experimented with jars of decaying meat.

Francesco Redi

Asked what caused living things appear in decaying broth? Hypothesized spontaneous generation

John Needham

Asked what caused living things appear in decaying broth?Hypothesized microbes in the air.

Lazzaro Spallanzani

Hypothesized that living organisms arise from preexisting life, or Biogenesis. Created Cell Theory: all living things are composed of cells and come from preexisting cells.

Rudolf Virchow

Experimented with fermentation; discovered microbes caused fermentation, not air.

Louis Pasteur

Father of epidemiology (study of patterns, caises, and effects of health and disease conditions in defined populations

John Snow

Was able to create the first vaccine thanks to Sarah Nelms and a cow

Edward Jenner

Discovered first direct proof that a bacterium causes anthrax; developed 1st experimental steps to determine if a microorganism is involved with a disease.

Robert Koch

1st nursing school

Florence Nightingale

Speculated a magic bullet that could destroy a pathogen without harming the host. Determined chemicals can be used to kill pathogens while being non-toxic to humans (chemotherapy)  

Paul Erlich