# Movements and Styles Index **[[Fluxus]]** — Loosely organized international network of artists working across performance, mail art, publishing, and object-making, centered on chance, everyday gesture, and anti-commercial "event scores." #fluxus **[[German Absolute Film]]** — 1920s German abstract-animation movement built around scroll-form and rhythm-based abstract film, centered on Walter Ruttmann, Viking Eggeling, Hans Richter, and later Oskar Fischinger. #absolute-film #german-avant-garde **[[Grupo Goethe]]** — Argentine experimental film collective associated with the Goethe-Institut Buenos Aires, part of the network around Narcisa Hirsch, Marie Louise Alemann, and Claudio Caldini that formed the core of 1970s Argentine experimental cinema. #latin-american **[[Op Art]]** — 1960s movement using optical illusion, perceptual instability, and geometric abstraction to produce direct retinal effects in the viewer. #op-art #kinetic #optics