It's kind of amazing to realize how plate tectonics, which is absolutely foundational to our understanding of geology, is just a bit more than half a century ol

It's kind of amazing to realize how plate tectonics, which is absolutely foundational to our understanding of geology, is just a bit more than half a century old, and the person who was at the forefront of it just died. The pace of scientific discovery in the 20th century was just astounding.