Forty Years of Fluxus By Ken Friedman Publishing history: This article is published as: Friedman, Ken. 2002. “Cuarenta Anos de Fluxus.” Fluxus y Fluxfilms,1962-2002. Berta Sichel, editor, in collaboration with Peter Frank. Madrid: Museo Nacional Centro de Arte Reina Sofia, 41-83. Copyright © Ken Friedman 2002. All rights reserved This text may be quoted and…