Cell Theory

  • Hans and Zacharias Janssen4 Sep 1590 Hans and Zacharias Janssen were the inventors of the first compound microscope.

  • cell discovery

    The cell was first discovered by Robert Hooke in 1665
  • Robert Hooke said that cells looked like the ones the monks live in.

    Robert Hooke said that the cells looked like the ones the monks lived in.
  • In 1665 Hooke published Micrographia, a book describing his microscopic and telescopic observations

  • Anton van Leeuwenhoek

    Dutch microscopist who was the first to observe bacteria and protozoa.
  • Anton van Leeuwenhoek he discovered single-celled organisms that he called animalcules

    because they looked like animals to him
  • Zacharias Jansen, The first person to make a compound microscope

  • Theodor Schwann he realized that cells must be produced from pre-existing cells and that all living things are produced of cells.

    he realized that cells must be produced from pre-existing cells and that all living things are produced of cells.
  • Schledin + Schwann propose the cell therory

  • Hooke 28 Jan 1665 First person to see cells from a plant