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Hans and Zacharias Janssen
Dutch lens grinders, produced the first compound microscope. -
Robert Hooke
Observed tiny. hallow, roomlike structures. Called these structures cells cause they reminded him something monks lived in -
Anton Van Leeuwenhoek
Lookeed at blood, rain water, and scrapings from teeth under a mircroscope. -
Mattias Schleiden
Viewed plants under a microscope. -
Theodor Schawnn
In 1839 Theo discovered that all animals are made up of cells. -
Rudolph Virchow
Stated all livng cells came from previous cells.
