History of cell theory By alexdylanhugh Oct 5, 1665 Robert hook invents of the microscope Robert Hooke (July 28, 1635 - march 3, 1703) invented the first microscope. The first thing he looked at was a flea. Jan 1, 1673 Anton van Leeuwenhoek makes observations of organisms that he observed Jan 1, 1838 Matthias Schleiden Figures out that all plants have cells Jan 1, 1839 Theodor Schwann Figures out that all organisms have cells Jan 1, 1858 Rudolf Virchow figures out that cells only form from other cells Oct 6, 2015 Current day
