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Roger Bacon describes lenses and predicts telescopes
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Amati invents spectacles, or eye glasses, for people with impaired vision.
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The 1st microscope was supposedly built by Hans and Janssen, but no one is certain.
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Galileo created the first telescope with concave and convex lenses.
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Hooke publishes "Micrographia", based on all his observations of cells.
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Leeuwenhoek discovers bacteria, protists, sperm cells, blood cells, and more.
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Achromatic lenses are introtuced and the improve resolution.
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Schwann and Schleiden formally propose the concept of "Cell Theory".
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Donne publishes the 1st few micrographs in France. This creates controvesy on micrographs and microscope drawings.
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Virchow expanded cell theory, saying that livig cells come from pre-existing cells.
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Flemming discovers cell mitosis using the microscope.
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Abbe designs apochromatic objective that brings red, yellow and blue into one focus, and the lenses required 10 or more elements.
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Pasteur conducts and experiment using an idea generated from cell theory, spontaneous generation, and disproves it.
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Knoll and Ruska build the first eletron microscope.
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Ruska builds the first electron microscope, and it exceeds the resolution of the light microscope. It has an accelerating voltage of 75 kV.
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The 1st scanning electron microscope is built.
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The 1st Oltra-Microtome was built by Porter and Blum.
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hte 1st scanning probe microscope is invented (works by measuring current).
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The Laser Confocal Microscope is now commercially available.
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The 1st atomic force microscope is invented (measures force instead of current).
