Actually, if you do a search, you find that he’s used the same name on other boards:
Clearly him. He put his real name, email and homepage in his profile there, and he’s showing his email here, as well - the email address allows you to find this:
http://www2.livemath.com/livemathboard/board/readmess.php3?id=4827&bid=152744298-public
His homepage displays blank.
