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Aristotle and other people believed that simple living organisms could come into being
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Jansen gave a device to see cells with
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Jan Baptist van Helmont believed in this, he said if you put a rag over a pot of rice you will crete mice in 21 days
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Robert Hooke (1635-1703) of Britain designed his own microscope and discovered matter made up of what he called cells.
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The first man to witness a live cell under a microscope was Antony van Leeuwenhoek
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Leeuwenhoek reported he had observed “little animals”
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Louis Pasteur: Discovered that cells come only from other living cells
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Robert Brown, discovered the nucleus in plant cells.
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Schwann did this,
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Theodor Schwann published "Microscopic Investigations on the Accordance in the Structure and Growth of Plants and Animals," which included the first statement of the cell theory: All living things are made up of cells.
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Theodor Schwann of Germany published cell theory as applied to animals.
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the idea that cells are the basic unit of structure in every living thing.
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This was the work of Matthias Schleiden
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Rudolf Virchow extended the work of Schleiden and Schwann saying (above)
