Roger Penrose
HowTheLightGetsIn 2014 attracted a footfall of over 35,000 across 450 events. Speakers and performers included Roger Penrose, Brooke Magnanti, Bruce Parry, Doon Mackichan, Cory Doctorow, Owen Jones, David Nutt, Molotov Jukebox, Moulettes, Natalie Bennett and Mr Scruff.