He made a few popular robots on shows/movies. I remember reading he updated and was one of the operators for R2-D2 for Star Wars movies. He also created Geoff Peterson for the Craig Ferguson Show : He got engaged a couple of years ago, but I don't think he had any kids.
Adam Savage reminiscing about his long-time friend and colleague: "The thing that keeps on coming up is that sweet generosity of his. It's the central thing I remember about him."
Shocking and out of the blue. Only 49! By all accounts, a brilliant young man. Heck, he didn't look near 49. A real loss. Rest in peace.