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He discovered the law of pendulum. Which was used to regulate clocks.
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He is the man invented the first compound miscoscope
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He wrote the hook laws which is when force is exerted by a coiled spring it is proportional to the springs extension.
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He learned how to grind lenses to make them into microscope
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He is known as the man who founded the cell theory
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He was the first to recognize that cells which are the basic unit of life in plants
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One of the 19th century leaders in medicine and pathology
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He discovered and named all three germ layers of the early embryo
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He was the first optical engineer was designed and made lenses based on sound theory ans scientific laws
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He was a duthch eyeglass maker who was believed to have created the first telescope and sometimes was though to have created the compound microscope
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He made and expansion to the electromagnetic theory of light
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he introduced the electron microscope
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He pionered in the work of nuclear physics and helped in the Manhatten project during WWI
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helped Zacharias invent the first compound light microscope
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He invented the atomic force microscope which was new in the feild of microscopy