The Cell Theory by Omar Anderson By lolballer505 Sep 1, 1595 Hans and Zaccharias Made the first microscope to see cells. Sep 1, 1665 Robert Hooke Robert Hooke discovered cell by looking at dead bark. Sep 1, 1839 Theoclor Schwann Theoclor Schwann showed that all living thngs have cell. Sep 1, 1855 Rudolf Virchow Rudolf Virchow wrote a book about cells come from other cells.