No, so sad indeed. By coincidence, this weekend I finally gave up on it and threw it out.
Curses, he retired at the end of 2012! His university web page doesn't list his email address, which probably indicates that he doesn't want to...
This isn't the usual ficus leaf drop, although I suppose the usual causes could be involved. I think it's something to do with whatever mutation...
I have a curly-leaf Ficus benjamina; the leaves are small and tightly curled (it might be variety Pandora). It keeps producing lots of new leaves...