The first person to observe living cells was a dutch microscope maker.
Anton Van Leeuwenhoek
looked at a thin piece of cork in a microscope. He named it cells.
Robert Hooke
German botanist, proposed that all plants have cells.
Mathias Schleiden
Zoologist, proposed that all animals have cells.
Theodor Schwann
proposed that all cells come only from other cells.
Rudolf Virchow