(b St Louis, Mo., 25 Mar. 1949)
US film-maker, designer, and lighting specialist. He has made many films with Cunningham, such as Walkaround Time (1973), Torse (1977), Channels/Inserts (1981), Coast Zone (1984), and in 2000 the video dance Melange which formed part of a large television documentary about the choreographer. He has also collaborated on video and film projects with, among others, D. Dunn (Secret of the Waterfall, 1983), Michael Clark (Hail the New Puritan, 1986), Richard Move (various Martha performances in the late 1990s), and Rainer (Variations, 2002). He has also designed set and lighting for stage works by Clark and K. Armitage among others.