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  • Nicolaus Steno

    AD 1631 – AD 1686
  • Georges Buffon

    AD 1707 – AD 1788
  • James Hutton

    AD 1726 – AD 1787
  • Abraham Gottlob Werner

    AD 1749 – AD 1817
  • William Smith

    AD 1769 – AD 1839
  • Georges Cuvier

    AD 1769 – AD 1832
  • Charles Lyell

    AD 1797 – AD 1875
  • Louis Agassiz

    AD 1807 – AD 1873