01:02
Alfred Wegener and Continental Drift
Geophysicist and geologist Tanya Atwater discusses the role of Alfred Wegener in bringing together a variety of evidence in support of the theory of continental drift.
01:01
Wegener's Mistakes
Geophysicist and geologist Tanya Atwater talks about mistakes made by Alfred Wegener in formulating his theory of continental drift, some of which created doubt and skepticism among fellow geologists.