Here's a piece about Kiyosaki why he is a fraud.
John T. Reed's analysis of Robert T. Kiyosaki's book Rich Dad, Poor Dad
And I'm not sure how they define people but if you're looking for one for business owners you might want to check out 'E-Myth Revisited: Why most small businesses fail and what to do about it'
Where Michael Gerber talks about the technical, manager, and entrepreneur.
-OJ