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jul 15, 1839 - Theodor Schwann A zoologist who concluded that all animals are made of cells (after combining this research and matthias' research it shows all living creatures are made of cells which is one of the tenets of the cell theory)

15 Oct 2017

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jul 15, 1839

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~ 187 years ago

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jul 15, 1839 - ____Theodor Schwann____ A zoologist who concluded that all animals are made of cells (after combining this research and matthias' research it shows all living creatures are made of cells which is one of the tenets of the cell theory)