A. Ian Murdoch is Professor Emeritus of Mathematics at the University of Strathclyde, Glasgow. His work on continuum mechanics has been widely published in such journals as the Archive for Rational Mechanics and Analysis, Proceedings of the Royal Society, Journal of Elasticity, International Journal of Engineering Science, Continuum Mechanics and Thermodynamics, and the Quarterly Journal of Mechanics and Applied Mathematics. He is the co-editor of two books: Modelling Macroscopic Phenomena at Liquid Boundaries and Modelling Coupled Phenomena in Saturated Porous Materials, and author of published lecture notes: Foundations of Continuum Modelling. Dr Murdoch has taught and lectured at many distinguished mathematics and engineering schools around the world.