Brian Edward Cox is an English physicist and musician. He is a professor of particle physics in the School of Physics and Astronomy at the University of Manchester and the Royal Society Professor for Public Engagement in Science. He is best known to the public as the presenter of science programmes, especially BBC Radio 4's The Infinite Monkey Cage and the Wonders of... series and for popular science books, including Why Does E=mc²? (2009) and The Quantum Universe (2011).