Nonagenarian Japanese artist is simultaneously one of the most famous and most mysterious artists on the planet. A wild child of the 1950s and 1960s, she emerged out of the international Fluxus movement to launch naked happenings in New York and went on to become a doyenne of that city's counter-cultural scene. In the early 1970s, she returned to Japan and by 1977 had checked herself in to a psychiatric hospital which has remained her home to this day. But, though she was removed from the wor...