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Zacharias jenson invented the first compound microsope.
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S trong believer in spontaneous generation. mad instructions on how to make adult mice. Mixing dirty laundry with wheat and 21 days would produce mice.
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Robert Hooke observed tiny cork cells through a microsope.
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Discovered protozoa through a microscope.
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Oken proposes that “all organic beings originate from and consist of vesicles or cells. These vesicles are the infusorial mass or protoplasma (Urschleim) whence all larger organisms fashion themselves or are evolved.”
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Robert Brown discovered the nucleus of a cell and stressed its importance in fertalization.
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Schwann creates cell theory. He discovers Schwann cells and conducts exxperiments to disprove spontaneous generation once and for all.
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With Schwann he created the celltheory and published a book applying cell theory to plants.
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Robert Virchow theorises that all disease stems from changes in cells.
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Louis Pasteur recreates the soup experiment. With the experiment he proves that bacteria live in dust and that spontaneous generation is false.
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Schleiden, of Jena, published his work on vegetable cells in 1838, and Schwann his cell theory in 1839. In the memoir entitled “Microscopical researches into the accordance in the structure and growth of animals and plants,” he published Erinnerungen aus meinen Leben. when he was over 80 years of age, he wrote over 245 papers.
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Classyfied all life as plants of animals.
