Simon Clark is a science communicator from Bath, UK. After finishing his PhD in atmospheric physics at the University of Exeter, he started creating videos on his eponymous YouTube channel about various topics in Earth and climate science, accruing over half a million subscribers and fifty million views to date. Alongside this work he wrote Firmament, an introduction to and history of atmospheric science, published by Hodder and Stoughton. He also co-hosts the How To Make A Science Video podcast.