cell theory

By CarsonDunn
  • 384 BCE

    aristotle

    aristotle
    established methods for investigation and reasoning and provided a theory on how embryos generate and develop. He started the theory that an organism develops gradually from undifferentiated material

  • Zacharias Jansen

    Zacharias Jansen
    invented the first truly compound microscope

  • Jan Baptist van Helmont

    Jan Baptist van Helmont
    partly discoverd photosynthasis

  • Antoni van Leeuwenhoek

    learned to grind lenses and assemble them into simple microscopes

  • Robert Hooke

    Robert Hooke
    used a homemade microscope to observe cork cells and invented the cell name

  • Robert Brown

    Robert Brown
    descoverd the nucleus of a cell

  • Theodor Schwann

    Theodor Schwann
    created the first cell theory.

  • Matthias Schleiden

    Matthias Schleiden
    co-founder of cell theory. extended it to animals

  • Albrecht von Roelliker

    Albrecht von Roelliker
    the sperm and egg were composed of cells and that humans are formed of cells from beginning to end

  • Rudolf Virchow

    Rudolf Virchow
    All living cells arise from pre-existing cells

  • Louis Pasteur

    Louis Pasteur
    created the process of Pasteurization