赫尔穆特·拉亨曼，Helmut Lachenmann was born on November 27, 1935 in Stuttgart, Baden-Württemberg, Germany as Helmut Friedrich Lachenmann. He is a composer, known for Betty Freeman: A Life for the Unknown (2005) and Wer sich traut, reißt die Kälte vom Pferd (2010). He is married to Yukiko Sugawara.