Plate Techtonics

  • Abraham Ortelius

    Abraham Ortelius
    First scientist to realize all continents fit together.
  • Nicholas Steno

    Nicholas Steno
    Investigations led to conclusions about fossil and rock formation.
  • James Hutton

    James Hutton
    Compared rock layers to rocks above and below the rock.
  • Alfred Wegener

    Alfred Wegener
    first to introduce continental drift theory, theory was rejected because not enough evidence.
  • Harry Hess

    Harry Hess
    Geologist who discovered sea-floor spreading.