German meteorologist Alfred Wegener in 1912 proposed an unorthodox theory that continents drift across the earth. His idea was that all land was once one massive supercontinent called Pangaea which gradually broke apart. He backed his concept with evidence from ancient fossils and coastlines that fit like puzzle pieces. Although experts at the time dismissed his thought as nonsense, discoveries in the 1960s of seafloor spreading and magnetic patterns in rocks eventually confirmed his revolutiona