CERN physicist Jon Butterworth gives his inside account of the hunt for the Higgs, followed by a Q&A with Brain Cox. The discovery of the Higgs boson was the culmination of the largest scientific experiment ever performed, the ATLAS and CMS experiments at CERN's Large Hadron Collider. But what really is a Higgs boson and what does it do? How was it found? And how has its discovery changed our understanding of the fundamental laws of nature? In this Ri talk from 27 May 2014, leading CERN physicist Jon Butterworth gives his inside account of the hunt for the Higgs. Jon Butterworth is a professor of physics at University College London. He is a member of the High Energy Physics group on the Atlas experiment at Cern's Large Hadron Collider and also manages to write regularly in The Guardian, as well as taking part in other science communication. His book, Smashing Physics: The Inside Story of the Hunt for the Higgs,was published in May 2014.