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The idea that the seafloor itself moves (and carries the continents with it) as it expands from a central axis was proposed by Harry Hess from Princeton University in the 1960s.t the Mid-Atlantic Ridge (and in other areas), material from the upper mantle rises through the faults between oceanic plates to form new crust as the plates move away from each other, a phenomenon first observed as continental drift.
A German meteorologist and geophysicist. He proposed the theory of continental drift and believed that all the continents today were all part of one land mass called Pangaea â¦ , and that over the years due to continental drift they are how they are today. + 51 others found this useful.Tiwana Hearditallbefore.lfred Wegener was a German scientist who hypothesized that the continents were slowly moving along the earth, and therefore discovered tectonic plates.