By storied pianist, I mean a pianist you might refer to as a V.S.O.P. (very superior older pianist). That meaning that you regard the pianist as a vital part of music history, whose mastery of music renders appraisal inept.
Sounds like a grand standard, but there are several pianists who meet up to this standard. It's probably because they regarded music to be a lifestyle, as opposed to music being a technical challenge conquered with time and intuition. Out of these storied pianists, there are actually quite a few women.
So let's start with these women: