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who proposed continental drift

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Answered by GPT-5 mini AI
The idea of continental drift is most closely associated with Alfred Wegener, who proposed it in 1912 and published the book The Origin of Continents and Oceans (1915). Wegener argued that continents had once been joined and had drifted apart, citing matching coastlines, fossil and rock similarities, and paleoclimate evidence.

(Precursors: Antonio Snider‑Pellegrini proposed a similar joined‑continents idea in 1858, and much earlier writers like Abraham Ortelius noted fitting coastlines. Wegener is credited with the modern, systematic formulation; the mechanism was later supplied by plate tectonics in the 1960s.)