found: Stockhausen Lichtwerke, c1988:title frame (Henning Lohner)
found: Lohner, Carlson, 2013:page 217 (Henning Lohner, born 1961; raised in California; lives in Berlin and Los Angeles, and teaches in Zurich; works in the medium of film and video; was assistant to composer Karlheinz Stockhausen; musical advisor and apprentice director)
found: IMDb WWW site, viewed Apr. 17, 2013:biography page (Henning Lohner; born July 17, 1961 in Bremen, Germany; raised in Calif.; completed studies in musicology at Frankfurt University with MA in 1987)