Neil Johnson is Professor of Physics at the University of Oxford. His training in theoretical physics included taking his BA at Cambridge University (St John's College) and PhD at Harvard University as a Kennedy Scholar. He was then made a Research Fellow at St John's College, Cambridge University, and a Professor of Physics at the Universidad de Los Andes where he was subsequently made an honorary Professor. Neil's research focuses on complex systems and its application to the study of violence. His webpage can be consulted here.