Imgres 1

The origin of the cell theory

  • Period: Jan 1, 1500 to

    cell theory

    from the recorded begining to today
  • Discovery of carbon dioxide
    Jan 12, 1580

    Discovery of carbon dioxide

    Jan Baptista van Helmont(Belgian scientist)Jan baptist van Helmont recognized the existence of discrete gases and identified Carbon dioxide.
  • The creation of the basic microscope
    Aug 6, 1580

    The creation of the basic microscope

    Zacharias Janssen - molecular expressionsZacharias Janssen created the basic compound microscope.
  • The discovery of bacteria and the improved microscope lens

    The discovery of bacteria and the improved microscope lens

    Antonie van Leeuwenhoe(Dutch scientist)--Encyclopedia BritticaAnton van Leeuwenhoek made a microscope with a 270X zoom lens and discoverd bacteria,yeast plants and the circulation of blood in a catepillar
  • The first reflective microscope

    The first reflective microscope

    Robert HookeRobert Hooke had invented many things, one of the things he made was the reflective microscope which would reflect light from the sun.
  • The discovery of the insides of plant cells

    The discovery of the insides of plant cells

    Robert Brown(Scottish scientist)-- Encylopedia BritticaRobert Brown discovered the basic structure of plant cells and classified many of the different species of plants
  • First idea of cell theory

    First idea of cell theory

    Lorenz Oken-free dictionaryLorenz Oken speculated that plants and animals are made up of tiny living things called "Infusoria".
  • The beta for cell theory

    The beta for cell theory

    Matthias Jacob Scheldien(German botanist)Mathias Schleden hypothezised that plants were made up of cells and recognized the importance of the nucleus in a cell.
  • Discovery of digestive enzymes

    Discovery of digestive enzymes

    Schwann discovered the digestive enzyme pensin and suggested yeast were tiny plant life organisms. Also said cell theory applied to plants and animals
  • The different microscopic techniques

    The different microscopic techniques

    Rudolf Albert von Koelliker(swiss embryologist)Albert von Koelliker discovered the different types of microscopic techniques like hardening, sectioning and staining.
  • The man that made cell theory known

    The man that made cell theory known

    Rudolf Virchow biographyRudolf Virchow was credited for developing cell theory, and was called the "father of pathology"(the study of diseases, cells, nature, etc).
  • The germ theory

    The germ theory

    Louis PasteurLouis pasteur had enhanced the original idea of the germ theory he also developed a vaccine to a chicken virus
  • The scientific philosopher

    The scientific philosopher

    Aristotle biographyAristotle was a greek philosopher that had classified animals into categories such as red-blooded animals and bloodless animals.
    (side note he was born 384 B.C.E)
  • Period: to

    The origin of cell theory in the begining