Wolfgang LayWolfgang Lay is Privatdozent at the Universität Stuttgart and Actuary at the Allianz Group. His research focuses on special functions. He has spent time at the Universities of Oxford and Bristol and at the Euler International Mathematical Institute i St. Petersburg. He co-authored the book 'Special Functions: A Unified Theory based on Singularities' (2000) with S. Yu. Slavyanov. Read More Read Less