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Period: to
Important events in the development of the cell theory
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Robert Hooke
Hooke designs a microscope and discovers structures in cork that he terms "cells". -
Francesco Redi
After experimentation, Redi theorizes that flies do not arise spontaneously from rotting meat, but come from other flies. -
Anton van Leeuwenhoek
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Marrhias Schleiden
"All plants are made of cells." -
Theodor Schwann
"All animals are made up of cells." -
Rudolf Virchow
"All cells come from cells." -
Louis Pasteur
Microorganisms do not arise spontaneously in a flask of sterilized broth, unless it is exposed to air.
