He who gave the world vi, the spiritual granddad of vim. Bill Joy was also involved in BSD and is a co-founder of Sun Microsystems, a company that doesn't get the free software meme as is clear by its SCSL which isn't a DFSG-free license.

He lives in Aspen, CO where he leads a small group of Sun Microsystems's best geeks to find the next "little" thing. He explores and develops ideas until they are ready for full-scale development at Sun.

He likes simple solutions that have big impact. Maybe you've heard of some of his work: Java Jini ...