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Period: to
time in years
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Hans and Zachiarias Janssen
Produced first compound microscope by combining two convex lenses with a tube -
Robert Hooke
Published Micrographia -
Anton Von Leeuweenkoek
learned to grind lenses -
Anton Von Leeuwenhoek
Observes lake water for small living things -
Robert Hooke
Confirmed Leeuwenhoeks finding of small animals -
Anton Von Leeuwenhoek
observes the plague on his own teeth -
Antgon Von Leewenhoek
describes protists -
Theodor Schwann
descovered pepsin, a digestive enzyme -
Matthias Schleiden
Discovered that plants were made up of cells -
Theodor Schwann
confirms the structures of plants and animals -
Rudolph Virchow
stated that all living thins come from other living things