Biology Timeline

By dowdy11
  • Sep 29, 1500

    Spontaneous Generation

    When spontaneous generation really was in consideration.
  • First Microscope

    The Janssen's made the first microscope
  • Hooke

    First person to look at a cell through a microscope
  • Redi

    The start of Redi's Spontaneous Generation experiment; Leaving raw meat out to see if it made maggots "spontaneously."
  • Leeuwenhoek

    Reinvented the first ever microscope to make it better.
  • Spallanzani

    Spallanzani was the second to research about SG. He believed that microbes in the air could be killed by boiling it.
  • Schleiden

    Recognized the importances of cell nucleus. Co founder of Cell Theory.
  • Schwann

    Had a dinner with Schleiden to talk about nuclei of plants and animal cells. Co founder of Cell Theory.
  • Schleiden and Schwann

    made Cell Theory together
  • Cell Theory

    Credit for creating Cell Theory goes to Schwann, Schleiden and Virchow.
  • Pasteur

    Pasteur had the most accurate experiment to disprove Spontaneous Generation. He boiled broth in a S shaped flask to keep the microorganisms away from the broth, but the air could still flow to the broth.
  • First Organelle

    discovered by Italian physician Camillo Golgi during an investigation of the nervous system.
  • Electron Microscope

    German Physicist Ernst Ruska and Gernan Engineer Max Knoll constructed the first prototype of the Electron Microscope