Evolution of the Cell Theory

  • Hooke

    Hooke
    Hooke was the first to discover cells and named the as well. He discovered them while looking at a piece of a corkskrew through a microscope, and he saw what looked like many small rectangular room.
  • Leeuwenhoek

    Leeuwenhoek
    Leeuwenhoek was the first person to see a living cell. He found unicellular organisms while looking at plaque scraped off his teeth and placed under a microscope.
  • Dutrochet

    Dutrochet
    Dutrochet was the first to recognize the importance of green pigmentation in the use of carbon dioxide by plant cells by observing multiple live plant cells. He disproved that cells don't have the same organs as live animal and plant cells.
  • Dujardin

    Dujardin
    Dujardin recognized the existance of single celled organisms and that the have the same ogans as those of higher animals by observing seemingly formless life substances. He disproved the previous theory which didn't include osmosis and diffusion.
  • Schwann

    Schwann
    Schwann discovered all plants are made of cells and recognized the organelle, the nucleus, by observing many plant cells and coming up with the same conclusion. He adds to the theory that cells don't have the same organs as higher animals.
  • Schleiden

    Schleiden
    Schleiden discovered that all animals have cells by looking at all the animals in the zoo he worked at and observed that they were all made of cells. he proved that cells were the basic unit of all living organisms, not just plants.
  • Virchow

    Virchow
    Virchow discovered that all cells come from other cells, not from spontaneous generation, by looking through the microscope at many diseases. He proved that no cells come from dead matter.