David Yevick is a Professor of Physics at the University of Waterloo. He has been engaged for 30 years in scientific programming in various fields of optical communications and solid state physics at numerous university and industrial establishments, where he performed pioneering work on the numerical modelling of optical communication devices and systems. Dr Yevick is currently a Fellow of the American Physical Society, the Institute of Electrical and Electronics Engineers and the Optical Society of America as well as a registered Professional Engineer (Ontario). He has taught scientific and engineering programming for over 20 years and has authored or co-authored over 170 refereed journal articles.