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  Hans and Zacharias Jansen created the first compound microscope. It was lost on May 17th 1940.
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  Robert Hooke concluded that only plants have cells by looking at a sliver of a cork. He also wrote the first book about cells.
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  Anton Van Leeuwenhoek created the first simple timeline by learning to grind lenses, whch then created simple microscopes. This was what he used for simple observations.
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  This microscope can zoom up to 200nm. They are only able to focus on objects that are at least the size of a wavelength of light. AKA optical microscope. It was created by Ernst Abbe and Carl Zeiss.
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  This operates on the same basic principles as the light microscope. These use electrons as there light source and it is possible to get a resolution a thousand times better thean with a light microscope.
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  This is a micrscope that scans things with a beam of electrons in a raster scan pattern. This was created by Max Knoll and although it was created in 1935, it was first marketed in 1965.
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  This is a microscope that is used for imaging surfaces at the atomic level. It also earned its inventors who are Gerd Binning and Heinrich Rohrer the Nobel Prize in Physics in 1986.