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Period: Jan 1, 1200 to
History of Lenses and Cell Theory
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Galileo invents his own telescope with concave and vonvex lenses
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Period: to
Lifespan of Antoni van Leewenhoek
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Period: to
Lifespan of Robert Hooke
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The book "Micrographia" is published
Cells: The Functional Units of Organisms The book had sketches of the cork sells that Robert Hooke observed -
First sighting of cells through a microscope
Cell Theory Antoni Van Leewenhoek said the he saw "little animals" while looking through a microscope around this time -
Period: to
Lifespan of Matthias Jakob Schleiden
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Lifespan of Theodor Schwann
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Period: to
Lifespan of Rudolf Virchow
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Rudolf Virchow prosposed that 'all cells are made up of pre-exisitng cells"
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Microscopes with lamp filters were created
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The first electron microscope is constructed by Max Knoll and Ernst Ruska