Plate tectonics: When we discovered how the Earth really works

The BBC’s Science and Environment has an article on the development and impact of the theory of plate tectonics on our understanding of earth dynamics and identify it as one  of the great scientific breakthroughs of the 20th Century.

Read the article here: http://www.bbc.com/news/science-environment-41472281

I do have one quibble – somehow Our Wandering Continents is, yet again, ignored!