Ptolemy

By johnnygray
  • 100

    Ptolemy

    Hermiou, Egypt
    Ptolemy was famous for his discovery in the field of astronomy. He developed the geocentric theory which was that everything in space revolved around Earth rather than the other way around. This was widely believed to be true until about 1400AD
  • Period: 100 to

    phamous physicist

  • 140

    Ptolemy forms his Geocentric Theory

    Ptolemy fored the geocentric theory which was still widely regarded to be true until about 1400AD while living in Greece.
  • 415

    Archimedes scientific method

    415BC
    Archimedes was one of the first people to formulate the scientific method while he lived in Greece and it is still used today.
  • Feb 19, 1473

    Copernicus

    Torun, Poland
    He was an astronomer who challenged conventional wisdom in the 16th century.
  • Oct 12, 1492

    Columbus Finds America

    Columbus sailed from Spain and found America.
  • Jan 1, 1543

    Copernicus Determines Earths Orbit

    Copernicus challenged the theory that earth was the center of the
    universe and instead said that the sun was the center while studying the planets in Italy.
  • Feb 15, 1564

    Gallileo

    Pisa, Italy
    A famous Italian astronomer who strived to learn more about space.
  • Dec 27, 1571

    Kepler

    wilderstudt, Germany
    A German astronomer who wanted to learn about how the planets orbited.

  • Galileo made his first telescope

    In 1609 gallileo made his first telescope while living in pisa Italy.

  • Kepler Calculates the Orbit of the planets

    Kepler used exact mathematic data to calculate the orbit of the planets while living in Prague

  • Newton

    Whoolsthorpe-by-Colsterworth, United Kingdom
    An english scientist who formed the laws of motion and gravity which are still used today.

  • Newton Formulates his laws

    In 1666 Newton formed his laws of motion while living in England.

  • Declaration of Independence

    The continental congress adopts the declaration.

  • Lincloln Gets Assassinated

    Lincoln gets assassinated in the ford theatre.

  • Marie Curie

    Was born in Warsaw, Poland and is famous for her work in the field of radiology.

  • Einstein

    Ulm, Germany
    A German scientist who was famous for forming the theory of relativity.

  • Bohr

    Copenhagen, Denmark
    Bohr studied the atom extensively and made the first ever model of it.

  • Marie Curie discovers new elements.

    Marie Curie discovers radium and polonium while researching radioactivity while living in France
  • Period: to

    phamous physicist

  • Bohr develops atom

    Bohr developed the Bohr model of the atom which is still used today

  • The US gets in World War I

    The US declares war on Germany and enters the conflict.

  • Einstein vreates theory of relativity

    Einstein formed his theory of relativity while living in germany.

  • Pearl Harbor

    The Japanese surprised the US with a surprise attack in Hawaii.

  • 9/11

    The twin towers were attacked in New York.

  • Aristotle

    Aristotle was born in 384 BC in Chalkidiki Greece
    He was one of the most famous philosophers to ever live and worked very close to plato.