- Julia Robinson
(b New York, Oct 5, 1927; d Cologne, June 22, 1995).
American composer and collagist. Hansen was a New York-based artist and a key figure in the founding of Happenings. He served in the US Air Force between 1946 and 1948, and studied under the GI Bill at the Art Students’ League, Tulane University, and at Hans Hofmann’s Art School. In the 1950s, Hansen joined John Cage’s Experimental Composition class at the New School for Social Research in New York (1957–9) where he met fellow poets and artists crucial to the development of Concrete poetry, Happenings, and Fluxus (Jackson Mac Low (1922–2004), Allan Kaprow, George Brecht, Dick Higgins (1938–98), and Larry Poons). A classic Hansen score written in Cage’s class—and performed there, and later at the Living Theater—was his Alice Denham in 48 Seconds. Using a Cagean system where letters (e.g., of a name) could be replaced by numbers that would define limits for the piece—which sound, how loud, and for how long—Hansen replaced the letters of “Alice Denham” with numbers. Handing out toy noise-makers to the class, he placed the score (comprised of large numbers) on the classroom blackboard, to cue the sound. In ...