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  The great German Reformer Martin Luther set a good example to his followers for using the Scriptures to arrive at an understanding of reality.
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  Otto Brunfels , a Protestant pastor and schoolmaster who lived in Strasbourg and, wrote Herbarum Vivae Eicones for physicians and apothecaries, who used plants for medicinal purposes.
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  Leonhard Fuchs, who taught at the Protestant university in Tubingen, and he encouraged medical students to spend their free time in the summer roaming collecting and studying plants.
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  Konrad Gesner , probably the best-educated naturalist of his day, contributed to science with a five-volume work called Historiae Animalium and his botanical work called the Opera Botanica.
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  Andreas Vesalius presented to the world his book called "Fabrica" on the structure of the human body.
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  William Harvey , an English physician and a great physiologist, was known for his classic work on the circulation of blood through the body.
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  Anton van Leeuwenhoek was the first person to devote his whole life to studies with the microscope.
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  John Wilkins (1614-1672), a Puritan clergyman, led in the formation of the Philosophical College, which met regularly in London to conduct experiments and discuss scientific theories.
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  Robert Hooke (1635-1703) published his work Micrographia, in which he described the cells of cork.
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  The French Academy of Sciences was founded in Paris.It was supported largely by Huguenots.
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  Anton Leeuwenhoek's expertise was sufficient for him to describe "animalcules", which today we call protozoa.
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  Anton Leeuwenhoek described bacteria from material scraped from his teeth.
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  There were scientific societies,where the great scientists and naturalists of the day could share their findings,in many parts of Europe and in America.