Changing Timelines

  • 276 BCE

    Eratosthenes' Birth

    Eratosthenes was born 276 BCE in Cyrene, Lyberia.
  • 195 BCE

    Eratosthenes' Death

    Eratosthenes died 195 BCE in Alexandria, Egypt.
  • 85

    Ptolomy is born

    Ptolomy was born 85 C.E. in Hermiou, Egypt.
  • 165

    Ptolomy's death

    Ptolomy died 165 C.E. in Alexandria, Egypt.
  • Feb 19, 1473

    Copernicus' Birth

    Copernicus was born February 19, 1473.
  • 1492

    Copernicus begins studying at the University of Krakow

    Copernicus studied at the University of Krakow from 1492 to 1496.
  • 1496

    Copernicus moves to Italy

    Copernicus traveled two months to reach Italy, where he studied law at the University of Bologna, and studied medicine at the University of Padua. There he began to question the teachings.
  • 1503

    Copernicus moves back to Warmia

    Returning to Warmia, Copernicus spent his free time observing the sky and crafting theories.
  • 1510

    Copernicus becomes a canon

    Copernicus was elected as a canon of the cathedral in Frombork in 1497, and took this role in 1510.
  • 1532

    Copernicus completes manuscript

    He finished an astronomical manuscript detailing his discoveries and theories, though did not publish it yet due to fear of controversy.
  • 1541

    Copernicus publishes manuscript

    With the support of Georg Rheticus, a mathematician and professor, he was able to publish his work.
  • May 24, 1543

    Copernicus' Death

    Copernicus died May 24, 1543.
  • Feb 15, 1564

    Galileo's Birth

    Galileo was born February 15, 1564.
  • Galileo invents a powerful telescope

    Galileo invented a telescope far more powerful than other devices being used at the time.
  • Galileo discovered Jupiter's moons

    Galileo discovered the four largest moons orbiting Jupiter, disproving the theory that the Earth was the center of all orbits
  • Galileo's Death

    Galileo died January 9, 1642.
  • Newton's Birth

    Isaac Newton was born January 4, 1643 in Lincolnshire, England.
  • Newton publishes his book

    Newton published the Mathematical Principles of Natural Philosophy, exploring the laws of motion and calculus.
  • Newton's Death

    Isaac Newton died on March 31, 1727 in London.
  • Mendeleev's Birth

  • Marie Curie's Birth

    Marie Curie was born November 7, 1867 in Warsaw, Poland.
  • Mendeleev creates the periodic table

  • Wegner's Birth

    Alfred Wegner was born November 1, 1880 in Berlin, Germany.
  • Marie Curie gets her physics degree

    In 1893, Marie passed an exam with the highest marks in her class and earned a physics degree
  • X-radiation was discovered

    Wilhelm Roentgen, a German scientist, discovered x-rays, which heavily aided Marie's work.
  • Marie marries Pierre Curie

  • Marie's daughter, Irène, is born

  • Marie discovered Polonium and Radium

    In researching elements, she discovered two highly radioactive elements, polonium and radium.
  • Marie managed to isolate radium

  • Marie received a doctorate degree in physics

    She received a doctorate degree in physics in 1903, the first woman in France to do so.
  • Marie wins the Nobel Prize

    Marie became the first woman to earn a Nobel Prize
  • Mendeleev receives the Copley Medal

    The Royal Society of England grants Mendeleev the Copley Medal
  • Hess' Birth

    Harry Hammond Hess was born May 24, 1906 in New York, New York.
  • Mendeleev's Death

  • Wegner's Death

    Alfred Wegner died November 1930 in Clarinetania, Greenland.
  • Marie Curie's Death

    Marie Curie died July 4, 1934 in Savoy, France.
  • Hess' Death

    Harry Hammond Hess died August 25, 1969 in Woods Hole, Massachusetts