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Zachariaus Janseen makes first microscope. His father Hns helped him create the microscope. The lens he made was a bi-convex lens.
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Robert Hooke discovers cells. Maker of micrographia.
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Antony Van Leewenhoek discovered bacteria. He discovered sperm and blood cells.
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Matthias Schleiden made the cell theory. It was that all plants are made of cells
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Theodor Schwann expands cell theory. He sais all animals are made up of cells.
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Rudolf Virchow ends cell theory. He sais that cells are made from other cells.