David S Bradshaw is an honorary research associate at the University of East Anglia in the UK. He graduated twice from the same university, first receiving a Master’s degree in chemical physics (which included a year at the University of Western Ontario, London, Canada) and then a PhD in theoretical chemical physics. Overall, David has co-written 80 research papers, including book chapters, all based on molecular quantum electrodynamics. He has also created a website explaining the key physics in this theory. His long running interests include optical trapping, resonance energy transfer, optical binding and nonlinear optics. David is a Member of the Institute of Physics and the Royal Society of Chemistry.