<!-- Before adding an infobox, please consult Wikipedia:WikiProject Composers#Biographical infoboxes and seek consensus on this article's talk page. --> Stockhausen in the Electronic Music Studio of the WDR, 1994 Karlheinz Stockhausen (; 22 August 1928 – 5 December 2007) was a German composer, widely acknowledged by critics as one of the most important but also controversial composers of the 20th and early 21st centuries. He is known for his groundbreaking work in electronic music, having been called the "father of electronic music", for introducing controlled chance (aleatory techniques) into serial composition, and for musical spatialization. Wikipedia
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