Gethyn JonesGethyn Jones has been a physics teacher and Head of Physics at a number of comprehensive schools and academies in Wales and England over the course of the last twenty nine years. He is a member of the Chartered College of Teaching and served on the Cllege′s council from 2018-2020. Gethyn blogs and tweets as @emc2andthat and lives and teaches in London. Read More Read Less