Ever since the continents were all mapped, people had noticed that many coastlines, like those of South America and Africa, looked as though they would fit together if they could be moved like puzzle ...

Scientist and explorer -- Wegener's shocking idea -- The world reacts to Wegener's idea -- Preparing for Greenland -- Arriving in Greenland -- Establishing Eismitte -- The fourth trip to Eismitte, ...

V. 1. Wegener and the early debate -- v. 2. Paleomagnetism and confirmation of drift -- v. 3. Introduction of seafloor spreading -- v. 4. Evolution into plate tectonics "Resolution of the sixty year ...