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Zacharias Jansenn invented the compound microscope.
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Robert Hooke first described cells, referring to the. As slices of cork
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Antoine Van Leeuwenhoek creates the first microscope
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Matthias Jacob Schleiden continued to analyze plants and their cells through a compound microscope. He proposed that cells were a fundamental unit of life and that all living things have them.
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Schwann went on to analyze animal tissue and thus, the fact that all living things have cells was permanently ingrained into the cell theory.
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Created an experiment that showed cells could only be formed from pre-existing cells.
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Virchow, aged 34, published an essay in which famously he declared: “Every cell arises from another cell.”
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The first electron microscope is invented
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Plankton is discovered