Bernd Alois Zimmermann
Most of the Cologne School composers had studied in Cologne during the 1960s with Vinko Globokar, Mauricio Kagel, Karlheinz Stockhausen, or Bernd Alois Zimmermann, at either the Kölner Hochschule für Musik und Tanz, the , or at the Kölner Kurse für Neue Musik, organised by Prof. Hugo Wolfram Schmidt at the Rheinische Musikhochschule between 1963 and 1968.