Stephen Wolfram

big thinker dude

http://www.stephenwolfram.com/

creator of Mathematica - keeping ownership of the company has made him one of the semi-RichTechies so he can do other stuff...

• is that a Life Style Company?

broadened to be the Wolfram Engine

http://wolfram.com/

like write A New Kind Of Science ISBN:0201544091 (Self Publishing)

• and then put it online for free (Feb2004) http://www.wolframscience.com/nksonline/
• heavy thinking around Cellular Automata