History of The Cell Theory.

  • The first microscope

    The first microscope
    In the 1590's, spectacle makers Hans and Zacharias Jannsen created the first compact microscope.
  • The first cell

    The first cell
    In 1665, Robert Hooke was experimenting with cork cells, and he gave us the term "the cell", because the cork cells looked like the cells in a monastery!
  • Leeuwenhoek discovers bacteria and protozoa

    Leeuwenhoek discovers bacteria and protozoa
    In 1671, Leeuwenhoek created his own microscope, and was the first person to see protozoa and bacteria. He found them by looking at gunk everywhere!
  • Plants are made of cells...

    Plants are made of cells...
    While professor of botany at the University of Jena, Matthias Schleiden stated in his book,“Contributions to Phytogenesis” (1838), that the different parts of the plant organism are composed of cells or derivatives of cells.
  • ... and so are animals.

    ... and so are animals.
    In 1839, Schwann took an appointment as professor of anatomy at the Catholic University of Leuven (Louvain) in Belgium. He professed that like plans, all animals are made of cells.
  • The cell theory pt. 3

    The cell theory pt. 3
    In 1855, it was not Rudolf Virchow that had suggested cell division. Instead, it had been a scientist under the name of Robert Remak, a Jewish scientist who worked in Prussia.
  • But later...

    But later...
    The German doctor Rudolf Virchow proposed that all cells result from the division of previously existing cells, and this idea became a key piece of modern cell theory. This was "borrowed" from Remak.