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Zacharias Janssen
He contributed by producing the first compound microscope -
Period: to
Cell Theory
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Robert Hooke
He looked at cork under a microscope and disovered cells. -
Anton Van Leeuwenhoek
He looked at dental scrapings and discovered little things that look like animals on the scraping and callled them "animalcules" which are now bacteria in modern day. -
Matthias Schleiden
He found out that all plants are made up of cells. -
Theodor Schwann
He found out that all animals are made of cells. -
Rudolph Verchow
He discovered that all cels are from preexisting cells.
