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  theorized how animals and plants developed through preformation and epigenesis. Supported spontaneous generation
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  Believed to be the first person to invent the compound microscope
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  Believed in spontaneous generation. Said that if you put a rage over a pot of riced you will create mice in 21 days
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  Looked at a cork under microscope and discovered cells. Supported spontaneous generation
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  Adjusted the original microscope
 Did not support spontaneous generation
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  Stated that all cells originate from and consist of cells
 Did not support spontaneous generation
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  Discovered the nucleus in plant cells. Did not support spontaneous generation
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  Contributed to the cell theory by stating that cells were the basic unit of structure in living things. Did not support spontaneous generation.
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  Applied cell theory to plants. Did not support spontaneous generation
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  Discovers sperm and eggs are also cells. Did not support spontaneous generation.
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  Endorsed cell division and the role it plays. Did not support spontaneous generation
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  Learned that microorganisms spoil food