Swedish american Visual/Sound/Mail Artist, active in New York City.
Hägglund released a few cassette tapes (noisy turntable/tape manipulations)
and some compilation tracks, probably all around 1985.
'The S. Gustav Hagglund Collection', approx. 30 boxes of articles, journals,
collage material, scrapbooks, photocopied art, manuscripts, and chapbooks
is part of 'The Ohio State University Libraries'.