This indispensable book is a compilation of invited talks delivered at the symposium, “Current Topics in Physics” held in Mexico City in June 2003, to celebrate the 75th birthday of Professor Sir Roger Elliott. The contributions have been prepared by research associates, former students, post-doctoral fellows and colleagues of Professor Elliott, many of them leading scientists — as Sir Roger himself — in important research institutes around the world. The book gives a very timely and comprehensive overview of various key areas of modern condensed matter and...