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The father and son duo Hans and Zacharias Janssen created the first microscope which consisted of two lens
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An English scientist studied a piece of cork through a microscope to find little room-like structures that he called cells. They reminded him of the "cells" in a monestary.
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A Dutch amatuer scientist looked at blood, rainwater, and dental scrapings to find bacteria that he named 'animalcules'.
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German botanist who studied plants and discovered all plants were made of cells.
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Zoologist from Germany who viewed animal parts under a microscope then discovered all animals are made up of cells.
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He was a German physician who said all living cells come from other living cells.
