Swedish freelance composer, born in Stockholm, 30 August 1933, died November 22, 2002.

He studied at the State College of Music in Stockholm (1953-1963) with Erland von Koch, Lars-Erik Larsson, Karl-Birger Blomdahl and Bo Wallner. Further at the Hochschule für Musik Berlin with Boris Blacher, with Max Deutsch in Paris, György Ligeti in Vienna, electronic music with Gottfried Michael Koenig. He worked at the Tape Music Center in San Francisco in 1964.