He was born in Gävle, Sweden, and taught himself how to compose, although he later studied at the University of Uppsala. He sang in the chorus Bel Canto, was active as a jazz musician, and worked as a producer for Swedish Radio. He was known for his avant-gardist, post-Webernian composition Pentagram for string quartet that won first prize at the Gaudeamus Festival in Bilthovenin 1960. He became …