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Known for inventing the first microscope
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Parasitology. Examined parasites and flies as part of the first controlled science experiments
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Microbiology. Modified and improved microscopes and discovered cells, which he called "animalcules"
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Published "Micrographia", described the structure of different species, coined the word "cell",
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Described the nuclei of a cell. Defined new families of plants in Australia.
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Co-founder of the cell theory along with Schwann and Virchow. Contributed to botanical studies of vegetable tissues.
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Another botanist that co-founded the cell theory. Discovered different biological processes in plants and food. Defined the cell as the simplest unit of an animal's structure.
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Discovered that only groups of cells get sick, not the whole organism, and the theory that every cell comes from another cell.
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Discovered pasteurization