I've read this
http://bactra.org/reviews/wolfram/ linked in another comment on this post.
He is one of those smart douchebag assholes type (L. Torvalds, S. Jobs etc.), probably even a prodigy genius level of smart. I have not read enough bios about, lets say, Torvalds or Jobs, but S. Wolfram looks like pure evil against them.
The eye opener for me was that Mathematica was basically stollen from University of Illinois[0]. It goes on and on, like that [1].
I am amazed how S. Wolfram managed to settle courts in his favour, or just successfully threaten with courts. How can you threaten someone of citing your (I guess public) work, if it will be openly and correctly cited, and people know details about it? Threatening your employees, etc. How can anyone work there?
Sorry, for this rant, but after some reading today, S. Wolfram looks like Genghis Khan of academics. Gives impression of great leader, who have accomplished something who have not done before, though simply chops heads for everyone who can cross his path.
In my eyes, a person who does not respect others, does not deserve respect themselves.
[0] > Wolfram quit Illinois, took the program private, and entered into complicated lawsuits with both his former employee and his co-authors (all since settled).
[1] > ..because one of our citations referred to a certain mathematical proof, and they claimed the existence of this proof was a trade secret of Wolfram Research.