Biography noting education and influences, style, and summary of works from the Grove Concise Dictionary of Music entry at WQXR radio.

Biographical data, recommended CDs, books and sheet music, bibliography, and links to biographical essays.

Review of CD includes biography and fairly detailed analysis of his compositional style.

Brief biography, comments on music, photograph, and links from the Classical Composers Database.

Biography from the Swedish Music Information Center. This database of biographies contains around 400 swedish composers.

Brief biographical sketch, caricature, comments on orchestral music, and Naxos discography.

Filmography at IMDb.

Official site. Includes life, work as composer, selected works, discography, bibliography, his paintings, photographs, the Alfvén Museum, and upcoming performances of his music.