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Robert hook invents of the microscope
Robert Hooke (July 28, 1635 - march 3, 1703) invented the first microscope. The first thing he looked at was a flea. -
Anton van Leeuwenhoek makes observations of organisms that he observed
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Matthias Schleiden Figures out that all plants have cells
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Theodor Schwann Figures out that all organisms have cells
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Rudolf Virchow figures out that cells only form from other cells
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