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Robert Hooke discorered the cell
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Antony van Leeuwenhoek discovered Bactereia
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In 1839, Schwann and Schleiden suggested that cells were the basic unit of life. Their theory accepted the first two tenets of modern cell theory
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He has contributed with adding to the cell theory by saying that all plants are made of cells.
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Virchow’s greatest accomplishment was his observation that a whole organism does not get sick only certain cells or groups of cells.
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Hans and Zacharias Janse (brothers) invented the microscope,
