Timeline Assignment

  • Period: 650 BCE to

    spontaneous generation

    Spontaneous generation is a theory by which living organisms develop from Non living organisms.
    Many inventers believed in Spontaneous Generation until Louis Pasteur disproved that theory in 19th Century
  • 610 BCE


    First Philosopher known to record studies.
    Created Aperion (Spontaneous Generation) in the 6th Century (610 B.C)
    He believed that water and Aperion create life.
  • 526 BCE


    First recorded theory of change, supported by hypothesis.
    Continued Aperion, stating Air in various forms mixed with Ape iron and other materials that caused Spontaneous Generation.
  • 500 BCE


    478 B.C - First proper recording of how eclipses work.
    Departed from Apeiron, supporting Spontaneous Generation
    Argued all things existed from the beginning of time,
    Every living thing is made up of every other living thing but itself.
  • 350 BCE


    (350 B.C) Aristotle wrote a book called "On the Generation of Animals" which contains theory of Spontaneous Generation.
    Believed Rain and other matter created life.
  • 35 BCE


    In 35 B.C he wrote De Architectura known today as the 10 books of Architecture.
    Wrote that libraries were built facing South or West would birth worms.
    In 40 BCE, invented the idea that all buildings should have three attributes: meaning: strength, utility, and beauty
  • 29 BCE


    In 29 B.C Virgil wrote Georgics ( Published book 4)
    Explores Begonia- the rebirth of spontaneously occurring in the carcass of a dead ox.
    Virgil wrote 3 of the most famous poems in Latin History

    The Aeneid is widely considered Virgil's finest work and one of the most important poems in the history of Western literature (29–19 BC)
  • 1187

    Gerald of Wales

    Gerald of Wales
    Gerald wrote a book called Topographia Hibernica in 1187, in the book it claimed that Barnacle Geese evolved from fish through Spontaneous Generation and are being classified as fish.
    He is best known for his four works relating to the history, geography, and culture of Ireland and Wales.
    His work was dedicated to King Henry II in 1187,
  • Zacharias Janssen

    Zacharias Janssen
    Zacharias Janssen is associated with the invention of the Optical telescope in the year 1590
    1590 Zacharias discovered that when put a lens at the top and bottom of a tube and looked through it, objects on the other end became magnified therefore he invented the very first microscope called the Compound Microscope
  • Compound Microscope

    Compound Microscope
    1590- Zacharias Janssen is credited for the invention of the Compound Microscope by placing 2 lenses in a tube.
  • Period: to


  • Francesco Redi

    Francesco Redi
    1668 In one one of the first biological experiments, Francesco Redi was able to disprove the theory that maggots could be spontaneously generated from meat using a controlled experiment
  • Period: to

    Understanding Of Life

    1668- Redi created an experiment to generate maggots by placing meat into two different jars.
    1750 - Needham presented his theory of Spontaneous Generation (Life from Organic Matter) Challenged Redi's findings
    Louis Pasteur disproved Spontaneous generation though his experiment with the swan flask next experiment he proved killing any micro organisms present.
  • Anton Van Leewenhoert

    Anton Van Leewenhoert
    1670- Became the first man to observe sperm cells in human and dog fluid.
    1674- Discovered Protozoa ( Single celled organisms)
    1676- He discovered the first bacteria ( Observed water closely, saw tiny organisms)
    1683- described animalcules.
  • Pier Antonio Micheli

    Pier Antonio Micheli
    In 1729 Pier placed spores on a piece of melon the same type fungi was produced. and realized it wasn't generated from spontaneous Generation.
  • Lazzaro Spallanzani

    Lazzaro Spallanzani
    1768- Lazzaro constructed his own experiment by placing broth into two separate bottles and boiling them proving microorganisms could be killed. this did not generate Spontaneous Generation.
  • Joseph Jackson Lister

    Joseph Jackson Lister
    1830- Joseph Jackson Lister used several weak lenses at a certain distance which gave him good magnification without burring the image.
    Development of the lenses for the microscope.
  • Frits Zernike

    Frits Zernike
    1932- Zernike invented the Phase contrast Microscope that allows the study of transparent and colorless materials.
  • Scanning tunneling Microscope

    Scanning tunneling Microscope
    1981 - Gerd Binnig and Heinrich Rohrer Invent the Scanning tunneling microscope that gives 3 dimensional images.