Knud MartnerHenry-Louis de La Grange is President of the Gustav Mahler Musical Library, Paris, and the author of a four-volume biography of Mahler. Günther Weiss has published books and essays on, among others, Bartók, Pfitzner, Reger, and Strauss. Knud Martner,a Danish music researcher, is the editor of Selected Letters of Gustav Mahler. Antony Beaumont is the author of Zemlinsky and coeditor with Susanne Rode-Breymann and translator of Alma Mahler-Werfel's Diaries 1898-1902 (both from Cornell). Read More Read Less