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Zacharius Jansen invents the microscope he as a Dutch spectacle-maker from Middelburg
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Robert Hooke of Britian designed his own microscope and discovered matter made up of what he called cells He was born on July 18, 1635
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Anton Van Leeuwenhoek describes bacteria found in lake water and in his own mouth. He was a Dutch tradesman and scientist from Delft, Netherlands.
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Matthias J. Schleden of Germany published a cell theory as applied to plants. Located the nucleus in plant cells. He was Born in Hamburg, Schleiden was educated at Heidelberg with a degree in Biological Science and a second degree in Law,
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Theodor Schwann of Germany published cell theory as applied to animals. Believed plant and animal cells share a common characteristics. Realized that if the nucleus was important in plant cells , it should also be in animal cells
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Gregor Johann Mendel an Austrian monk, Began expirments with pea plants. he later became known as the father of Genetics. He was an Austrian Augustinian monk and scientist
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Rudolf Virchow / Robert Remak discovered that cells came from preexisting cells. He was a German doctor, anthropologist, pathologist, prehistorian, biologist and politician.
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Charles Darwin published "on the origin of species" explaining units of heredity and variations in species. He was an English naturalist[I] who established that all species of life have descended over time from common ancestry.
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Louis Pasteur proved that microorganisms were reponsible for spoiling food and beverages. Studied the vaccines to prevent disease.
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Francis H. C. Crick of Britain and James D. Watson of the U.S. made a model of DNA molecule and proved that genes determine heredity. He was Born June 8th , 1916.