Other Significant Contributors To The Field Of Microscopy:
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Egyptians
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~2600 B.C.E.
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rock crystal artifacts found in the shape of convex lenses |
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Greeks and Romans
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~31 C.E.
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observed the magnification properties of water, used rock crystal convex lenses, practiced glass blowing |
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Arabian Alhazen
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(962 - 1038 C.E.)
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described the actions of the lenses in his treatise on optics called Optics Thesaurus Alhazeni Arabius Basil |
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Roger Bacon
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(1214-1292 C.E.)
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referred to the concepts and usages of lenses in his scientific works |
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Ernst Leitz
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1873 C.E.
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introduced mircoscope with revolving nosepiece for objectives |
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August Kohler
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~1880 C.E.
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figured out the optimum spacing for the light and condenser which would produce sharp images |
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Katherine Blodgett
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1917 C.E.
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developed micro-coatings which allowed her to develop non-reflecting "invisible" glass |
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Max Knoll and Ernst Ruska
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1931 C.E.
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built the first electron microscope |
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Ernt Ruska
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1933 C.E.
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increases magnification of electron microscope to levels higher than a compound light microscope |
