Heiner Schenke was born in Hanover and is a native speaker of German. He has taught German at university level for many years and is Director of the Institution-wide language programme at the University of Westminster. He is also the co-author of the Willkommen! course as well as several Teach Yourself books. Paul Coggle is an experienced university teacher of German, who has taught courses from beginner to postgraduate level. He was a pioneer in the development and use of multimedia language learning materials at the University of Kent, and has acted as a Language Consultant for the BBC and the University of Cambridge Language Centre. He has been series editor for the Teach Yourself language courses.