Nick Jelley is an Emeritus Professor in the Department of Physics and a Fellow of Lincoln College at the University of Oxford. His research was in nuclear and particle physics and he published many papers in this field. He was a member of the Nobel Prize winning SNO experiment, for which he was the UK group leader, and the recipient of two Institute of Physics prizes. More recently, he has carried out research on solar energy for use in the developing world. His books include Energy Science (OUP, 3rd edition, 2017), A Dictionary of Energy Science (OUP, 2017) and Renewable Energy: A Very Short Introduction (OUP, 2020).