• Robert Hooke

    Robert Hooke
    produced microsopical observations.
  • Anton Van leeuwenhoek

    Anton Van leeuwenhoek
    He worked and improved on the microsope. He described cells in a drop of pond water using a microsope.
  • Theodor Schwann

    Theodor Schwann
    Discovered the digestive enzyme pepsino.
  • Mathias Schleiden

    Mathias Schleiden
    His methods had led him to propose cell theory for plants. he was the first to reconize cells as fundamental units of life.
  • Rudolf Virchow

    Rudolf Virchow
    He stated that all living things arrive from pre existing cells.
  • Lynn margulis

    Lynn margulis
    She was best known for her theory on the origin of eukaryotic organelles.