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Abreham Ortelious
He came up with continetal drift by fitting to gether the contienets -
Alfred Wegner
Publicly announces theory of continental drif with evidence of fossils lining up from a super contienet he called pangea. His theory sadly got rejected. -
Harry Hess
Investigated the sea floor ridges and the sea floor spreading -
Alfred Wegner
Gathers further evidence in continetal drift but can still not justify what causes it. -
Arthur Holmes
Has the heory that the mantle moves and cauces continetal drift -
Harry Hess
Continues to support his theory of the sea floor spreading finds flat topped mountains under water he calls 'guyots'. -
Dan McKenzie
He finally puts all the theory's together and creates the modern day continental drift theory.