cell theory

  • Jan 1, 1100

    First Pair Of Glasses

    First Pair Of Glasses
    Salvin D'Armate made the first pair of glasses allowing the wearer to have a magnification from one eye.
  • First Compound Microscope

    First Compound Microscope
    Zacharias Jansen created the first compound 2 lens microscope. It onlt had a maximum magnification of 9x.
  • Plant Growth

    Jan Baptist Van Helmont concluded that plants dont grow from eating the soil but from drinking the water.
  • The Law Of Elasticity

    The Law Of Elasticity
    Robert Hooke discovered the law of elasticity which states that the streching of a solid body is proportional to the force applied to it.
  • First Observation Of Bacteria

    First Observation Of Bacteria
    AntonVan Leeuwenwhoek observed bacteria and protozoa for the first time which he extracted from rain water, pond water, and well water.
  • Origin Of Organic Beings

    Origin Of Organic Beings
    Lorenz Oken determined that all organic beings originate from and consist of cells.
  • The Discovery Of The Nucleus

    The Discovery Of The Nucleus
    Robert Brown noted a structure within plant cells that he called the nucleus.
  • Cell Theory

    Cell Theory
    Matthias Schleiden watched the production of new cells which he concluded were prophagates from the nuclei of old cells.
  • Cell Theory Extended

    Cell Theory Extended
    Theodor Schwann extended the theory in which he said that every living thing is composed of cells.
  • All Cells Come From Another Cell

    All Cells Come From Another Cell
    Rudolph Virchow said that every cell comes from another existing cell.He also stated that a whole organism will not get sick just certain cell or group of cells.
  • Dirty Instuments

    Dirty Instuments
    louis Pasteur tried to convince surgeons that using dirty and used instuments would soread germs and disease. He also said that their hands were spreading germs.