Cell Theory Timeline

  • Hans and Zacharias Janssen

    Hans and Zacharias Janssen

    produced first compound microscope
  • Robert Hooke

    Robert Hooke

    English scientist, looked at a peice of cork through a microscope and found tiny, roomlike structures. He called these structures 'cells' because they reminded him of the rooms that monks lived in.
  • Anton van Leeuwenhoek

    Anton van Leeuwenhoek

    observed living cells; called them 'animalcules', and some are now called bacteria
  • Matthias Schleiden

    Matthias Schleiden

    viewed plant parts under a microscope and discovered that plants are made of cells
  • Theodor Schwann

    Theodor Schwann

    viewed animal parts under a microscope and discovered that animals are made of cells
  • Rudolph Virchow

    Rudolph Virchow

    said that all living cells only come from other living cells