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Scientist Timeline

Published on Nov 22, 2015

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PRESENTATION OUTLINE

1.

SCIENTIST TIMELINE

HARRY HESS, ALFRED WEGENER, AND ABRAHAM ORTELIUS
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2.

ABRAHAM ORTELIUS

  • 1596, Suggested that the"Americas, Eurasia and Africa were once joined and have drifted apart "
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3.

ALFRED WEGENER

  • 1912, Continental drift theory
  • 1915, Book published, "Origin of continents and oceans"
  • 1950's, discovery of new oceanic crust forming
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4.

HARRY HESS

  • 1930, hypothesis called seafloor spreading
  • 1960, Plate-tectonics theory
  • 1962, ideas published in a paper titled "History of Ocean Basins"
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Ryan Neth