Jiro Yoshihara (1905 - 1972) was a Japanese artist. He is in most sources named as the founder of the Gutai group in 1954. Yoshihara wrote the "Gutai Manifesto" in 1956. Wikipedia
Another notable feature of the collection is that it contains significant numbers of important works by such artists as Tomoo Wadachi, Yoshio Aoyama, Shigejiro Sano, Kanemon Asai, and Seiichi Hara. www.moma.pref.kanagawa.jp/museum/collection/e-index.html
The definitive Wikipedia entry for Jiro Yoshihara. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/Jiro_Yoshihara
