Um... your attributions are a bit odd, but...
Just how sure are you that none of the more obviously knowledgeable folks aren't, in fact, famous pianists? To be honest, I wouldn't be sure unless I heard a recording -- or better yet, a video -- of them, positively identified in some way. It is clear that we have some very knowledgeable people on here...
And there is nothing log a blog/forum or whatever for being inherently anonymous!