http://www.blendernation.com/inside-pixars-leadership/?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+Blendernation+%28BlenderNation%29
http://www.youtube.com/watch?v=k2h2lvhzMDc
At one point, Ed Catmull mentioned Jim Clark. So I now think I know where the Catmull-Clark sub-division method came from.