Maurice Petyt is an Emeritus Professor of Structural Dynamics, Institute of Sound and Vibration Research, University of Southampton. He has also held appointments as a Research Professor at George Washington University and Visiting Professor at the University d'Aix-Marseille II, France, and the National University of Singapore. He is a Charted Mathematician, a Fellow of the Institute of Mathematics and its Applications, a Fellow of the International Institute of Acoustics and Vibration, and a Fellow of the Institute of Acoustics. Formerly European Editor and Editor-in-Chief, he is now Editor Emeritus of the Journal of Sound and Vibration.