Abstract
It is a great pleasure for us to present this issue celebrating the work of our colleague and friend Francisco (Pancho) Hervé. Response to the call for papers was tremendous – from Pancho’s long-standing colleagues, his many active ex-students and outside investigators inspired by his teaching, publications and lectures (and, not least, his open and engaging personality). Regretfully, a small number of papers had to be held over to the following issue......