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Zacharias Jansen
He ivented the optical telescope and compound microscope. -
Robert Hooke
He first observed cells. -
Anton Van Leewennhoek
He made over 500 microscopes. -
Matthias Schleiden
He wrote Contributions to Phytogenesis, in which he stated that the different parts of the plant organism are composed of cells. -
Theodor Schwann
He realized that all living things are made up of cells, like animals. -
Rudolph Virchow
Cells can only come from other living cells.
