On a list devoted to systems of writing, the subject of repetitive strain injuries came up, and Peter Daniels remarked:
Why do you suppose there are so many works for piano left hand? They didn’t stop being written after the one-armed [war injury] pianist Paul Wittgenstein retired and stopped commissioning them.
Daniels previously commented of the Wikipedia page about him that
It was quoted to me once, and yes, it had some “accurate facts” in it.