Ono's work has generally consisted of quiet, personalized, meditative pieces, as well as "event" shows or Happenings, all of which were highly conceptual and often required observer participation to complete. In her "Stone Show" (early 1960s), participants entered a room measuring about 20 square fee

Clever, Fluxus, Improvised, Open-ended, Physical force, Political, Quirky, Rebel, Serene, Sincere, Smart

Evincing probably the most machismo of the macho male Minimalist sculptors, Richard Serra defines the very meaning of power and control -- tackling tonnages of sheets of steel into gentle submission. One does not merely contemplate his 1997-98 "Torqued Ellipses," one is consumed by it, traversing and

Environmental art, Mathematical, Minimal, Minimalist art, Modern sculpture, Monumental, Overflowing, Perceptual, Physical force, Process art, Public art, Spare