I know some on this site are familiar with his work and talent. I predate his website by a number of years but when I found it I was brought to a new level in programming and reverse programming. He was well known and highly respected across a wide range of computer science disciplines. He will be sadly missed.
His old site:
http://www.fravia.com
A wiki:
http://en.wikipedia.org/wiki/Fravia
A bio:
http://www.searchlores.org/io13.htm