Time line

By Swtow553
  • 1194 BCE

    Eratosthenes: created a calendar

    included leap years (1194-1184 BCE)
  • 384 BCE

    Eratosthenes: Calculated Earths circumference

    (384-322 BCE)
  • 85

    Eratosthenes: Calculated tilt of the Earths axis

    (85-165 CE)

  • Newton: Birth

    Born prematurely on the fourth of January.

  • Newton: Attends King’s School at Grantham

    He was sent to school at age 11 then taken out by his mother at age 15 to become a farmer. He soon after was allowed to return to school. 1654-1661

  • Newton: Attended Cambridge University

    1661-1665. Earned his degree in 1665 then left to his grandparents farm.

  • Newton: Proved that “white” light is composed of all colors

    He also started to figure out calculus and universal gravitation,1665-1666

  • Newton: Masters degree at Cambridge

    Newton returned to Cambridge University once the plague was no longer a threat.1666-1668

  • Newton: Professor of mathematics

    At Cambridge University

  • Newton: Published Mathematical Principles of Natural Philosophy

    Proved to be one of the most influential works in science history, it states the three laws of motion

  • Newton: President of the Royal Society of London for Improving Natural Knowledge

    This groups composed of the top scientists in England

  • Newton: Death

    Newton dies the 31st of March in London

  • Mendeleev: Birth

    Born in Russia

  • Mendeleev: wrote Organic Chemistry

    considered his eras most authoritative book on the subject

  • Mendeleev: professor of chemistry at University of St. Petersburg

  • Mendeleev: Began to organize and explain the elements

  • Mendeleev: Comes up with the Periodic Table of Elements

  • Wegener: Born

    born in Berlin, son of a Protestant pastor

  • Wegener: PhD in astronomy

    University of Berlin

  • Mendeleev: Death

    Dies of influenza

  • Wegener: tough at University of Marburg

  • Wegener: Pangaea

    he claimed that about 300 million years
    ago, the continents formed a single mass

  • Wegener: lead an expedition to Greenland/ Death

    Wegener and his companion, Rasmus Villumsen, died on
    their return trip west to the coast

  • Hess: published his theory in History of Ocean Basins

    "seafloor spreading"

  • Wegener: geologists use the term “plate tectonics”

    idea of continental drift had been developed and refined