From 1970 to 1990 Dr. Ernst Herttrich was an editor at G. Henle Publishers in Munich, after which he was Head of the Beethoven Complete Edition for over 15 years. In 1999 he took over as Head of the Beethoven-Haus Publishers, and from 2001 was made Head of the Beethoven-Archiv, the research centre at the Beethoven-Haus. He has been a visiting professor at Meiji Gakuin University in Tokyo and has undertaken several lecture tours both there and to Kyoto. His research interests include source studies, editorial techniques and music history. Herttrich’s publications include “Beethoven. Liederkreis an die ferne Geliebte” (Bonn 1999) and “Ludwig van Beethoven. Biographie in Bildern” (Bonn, 2000). Herttrich has edited over 100 Urtext editions for G. Henle Publishers.