Jeffrey Robert Forshaw is a British particle physicist with a special interest in quantum chromodynamics: the study of the behaviour of subatomic particles, using data from the HERA particle accelerator, Tevatron particle accelerator and the Large Hadron Collider at CERN. Since 2004 he has been professor of particle physics in the School of Physics and Astronomy at the University of Manchester. He is the co-author of five books, including the popular science books Why Does E=mc²?, The Quantum Universe and Universal: A guide to the cosmos, co-written with physicist Brian Cox. He has also written over 100 peer reviewed papers published in scientific journals and speaks at international science festivals for children and adults. He frequently acts as science consultant to the BBC and other media and is a columnist for The Observer.