Atsuko Tanaka

She was born in Osaka in 1932  died in 2005. in 1953 she a took part in thr founding of the group Zero wich then merged into Gutai. She belonged to Gutai until 1965, when she left the group because of differeces of opinio with Jiro Yoshihara.

The characteristic of some of her works are number symbols. Other are maked by pieces of fabric simply hung on the wall. Creations of a different type were also the "bells", and the "electrical clothes". Reminiscences of the round sharpes of  the bell, and of the leght buls seem to appear in her later paintings based on the interaction and entanglement of circles.