Toeko Tatsuno (Japanese: 辰野登恵子; born Toeko Naka (Japanese: 中 登恵子); 13 January 1950 – 19 September 2014) was a Japanese abstract painter, printmaker, and former professor at Tama Art University in Japan.
Source: “Toeko Tatsuno”, English Wikipedia (CC BY-SA 4.0), excerpt
