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  Came up with the microscope and the telescope
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  Made the first microscope to look at bacteria
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  Looked at bacteria in a cork and named the cell because it looked like a jail
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  Did an experiment to see if rotting meat turned into flies and disproved spontanious generation
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  He described the embryonic development in plants and animals using layers of cells
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  He noticed that all plant cells have a nucleus
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  Discovered that all cells came from preexisting cells
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  Learned that all animals were made of plants
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  Recearched cell development in algae
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  Looked at plants and learned they were all made of cells
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  Learned about protoplasm in cells
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  Pointed out that all cells come from preexisting cells
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  Discovered the golgi apparatus in cells
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  Was the first scientist to observer chromasomes
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  Observered reproduction in microorganisms and further supported that all life comes from preexisting matter.
