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Well known for the development of the microscope and contribution to microbiology. Discovered the single-celled organisms know as "protozoa"which he called 'animalcules".
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Discovered that microorganisms cause disease and fermentation. Made vaccines that fought against rabies and anthrax.
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Created an experimental method to discover if certain microorganisms were the cause of disease. Discovered that bacillus anthracite was what caused anthrax.
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British surgeon that practiced antiseptic surgery. Promoted sterile surgery.
