Arthur W. Lees, BSc, PhD, DSc, CEng, CPhys, FIMechE, FInstP, LRPS, joined the Central Electricity Generating Board, London, UK, after completing his PhD. Following a sequence of positions, he was appointed head of the Turbine Group for Nuclear Electric Plc, UK. In 1995, he moved to Swansea University, UK, where he is currently professor emeritus. An active researcher, Professor Lees is a regular reviewer of many technical journals, a fellow of the Institution of Mechanical Engineers and the Institute of Physics, and a chartered engineer and physicist. He has served on the editorial boards of the Journal of Sound and Vibration and Communications in Numerical Methods in Engineering, and was a member of the Council of the Institute of Physics, 2001–2005.