H QueffélecH. Queffélec shared his academic career between the universities of Paris-Sud and later Lille, where he is now an Emeritus Professor. He has written around fourty research papers in harmonic analysis and related probabilistic or topological methods, s well as in number theory (Dirichlet series) and operator theory, more specifically, composition operators and their approximation numbers. He has also written five textbooks and a research book on Banach spaces and Probabilistic methods (in collaboration with D. Li). Queffélec has served on the committees for selecting secondary school Professors (Agrégation), and for hiring University researchers. He was also a member of the CNU (National Council of Universities in France) which deals with the promotion of University members. Read More Read Less