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Robert Hooke
An english scientist named Robert Hooke looked at a cork slice under a microscope and said that he saw cells -
Antonie Van Leeuwenhoek
Antonie Van Leeuwenhoek observed algae and very small animals using a microscope he improved. -
Matthias Jakob Schleiden
Matthias Jakob Schleiden proposed that cells are the basic building blocks of plants and that all plants made of cells. -
Theodor Schwann
Theodor Schwann came to the conclusion that cells are organisms and that organisms have one or more cells. He also concluded that cells are the basic unit of structure for ALL organisms. -
Rudolf Virchow
Rudolf Virchow proposed that cells form ONLY from existing cells and that diseased cells come from healthy cells.
