Note from the Author Early beginnings Early days Iannis Xenakis György Ligeti Mauricio Kagel  Hans-Werner Henze Jonathan Harve Luciano Berio Brian Ferneyhough Elliott Carter Giacinto Scelsi Luigi Nono  Roger Reynolds  James Dillon Wolfgang Rihm György Kurtág Pierre Boulez John Cage Helmut Lachenmann Salvatore Sciarrino Dutilleux and Lutos?awski Francisco Guerrero Harrison Birtwhistle Karlheinz Stockhausen Toshio Hosokawa Hilda Paredes