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Unformatted text preview: 1650's Leewenhoek--Delft Holland in the textile industry and part time lens grinder. Got good resolution to allow about 3 or 4 hundred X useful magnification. He put hay and pepper into water and then looked at it through his microscope. He saw microbes in an infusion as seen below. Leewenhoek saw bacteria, protozoa, yeasts and described all the microbial forms we now know, except for viruses. Although he is not mentioned in the science literature as observing his animalcules divide, nevertheless he believed spontaneous generation was untrue and in his original papers called the idea a "bad joke" as related by Dr. Moll at the University of Amsterdam....
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- Fall '09