The Gutai group (具体美術協会, Gutai Bijutsu Kyōkai) is the first radical, post-war artistic group in Japan. It was founded in 1954 by the painter Jiro Yoshihara in Osaka, Japan, in response to the reactionary artistic context of the time. Its young members explored new art forms combining performance, painting, and interactive environments, and realized an “international common ground” of experimental art through the worldwide reach of their exhibition and publication activities.