河原温
In 1969 he founded the neo-avantgarde literary and artistic movement Signalism, and the following year he launched the International Review “Signal” publishing most important avant-garde authors Raoul Hausmann, Augusto de Campos, Michele Perfetti, Adriano Spatola, Clemente Padin, Julien Blaine, Sarenco, Eugenio Miccini, Richard Kostelanetz, Guillermo Deisler, Bob Cobbing, Eugen Gomringer, Pierre Garnier, Enzo Minarelli, Keiichi Nakamura, Dick Higgins, Dmitry Bulatov, Sol LeWitt, Shozo Shimamoto, Klaus Peter Dencker, Ruggero Maggi, Daniel Daligand, Willi R. Melnikov, Kum-Nam Baik, On Kawara, Klaus Groh etc.