Hooke microscope

Cell Theory

By mymarbleapollo
  • 400

    Aristotle develops theories of cells and Spontaneous Generation

    Aristotle develops theories of cells and Spontaneous Generation
    Was in 400 B.C.E
    www.martinfrost.ws
    Contributes to both
    Aristotle was an ancient greek philosopher who developed new theories for spontaneous generation and cell thoery in 400 B.C.E

  • Zacharius Jannessen creates the first compound microscope

    Zacharius Jannessen creates the first compound microscope
    www.history-of-the-microscope.org
    This contributes to Cell Theory
    This was a monumental invention, and changed science.

  • Jean Baptiste Van Helmont creates a theory about Spontaneous Generation

    Jean Baptiste Van Helmont creates a theory about Spontaneous Generation
    He belived that if you put a rag over yeast, it would create mice.
    This benefits Spontaneous Generation
    en.wikipedia.org.

  • Robert Hooke observes cells for the first time.

    Robert Hooke observes cells for the first time.
    He used cork to do so.
    en.wikipedia.org
    Contributes to Cell Theory

  • Francesco Redi disproves Spontaneous Generation

    Francesco Redi disproves Spontaneous Generation
    en.wikipedia.org
    Contributes to Cell Theory
    He is one of the first ever to do so.

  • Anton Van Leewenhook observes living cells

    Anton Van Leewenhook observes living cells
    He is the first to do so.
    famousscientist.net
    Contributes to Cell Theory

  • John Needham brings back Spontaneous Generation

    John Needham brings back Spontaneous Generation
    He does so using chicken broth
    en.wikipedia.org
    Contributes to Spontaneous Generation

  • Lazzaro Spallanzari disproves Needham.

    Lazzaro Spallanzari disproves Needham.
    He does this using an expiriment like the one Needham completed.
    kids.britannica.com
    Contributes to Cell Theory

  • Jean Baptiste Lamarck creates the word 'biology'

    Jean Baptiste Lamarck creates the word 'biology'
    He also develops a theory on evolution.
    www.nndb.com
    Contributes to Cell Theory

  • Lorenz Oken brings up a primitive form of cell theory

    Lorenz Oken brings up a primitive form of cell theory
    He says, “all organic beings originate from and consist of vesicles or cells. These vesicles, when singly detached and regarded in their original process of production, are the infusorial mass or protoplasma (Urschleim) whence all larger organisms fashion themselves or are evolved.”

    www.xtimeline.com
    Contributes to Cell Theory

  • Robert Brown discovered the nucleus.

    Robert Brown discovered the nucleus.
    Stated that it was vital to the cell.
    www.nndb.com
    Contributes to Cell Theory

  • Matthias Schleiden says all plants have cells

    Matthias Schleiden says all plants have cells
    www.merke.ch
    Contributes to Cell Theory
    He is the first to do so.

  • Theodor Schwann discovers cells in the peripheral nerve system

    Theodor Schwann discovers cells in the peripheral nerve system
    He also develops a theory for metabolism.
    www.nndb.com
    Contributes to Cell Theory

  • Albrecht von Roelliker discoveres that sperm and eggs are also cells.

    Albrecht von Roelliker discoveres that sperm and eggs are also cells.
    Contributes to Cell Theory
    en.wikipedia.org
    This had not been observed or theorized before.

  • Rudolf Virchow discovers lukemia cells

    Rudolf Virchow discovers lukemia cells
    Also said the orgin of cells came from pre-existing cells.
    www.biography.com
    Contributes to Cell Theory
    He is the first to observe Lukemia cells.

  • Louis Pasteur proves that airborne microbes were the cause of disease

    Louis Pasteur proves that airborne microbes were the cause of disease
    fr.wikipedia.org
    Contributes to Cell Theory
    This saved many lives.