David is professor of astronomy at the University of Hawaii, and co-discoverer of the Kuiper Belt. He is interviewed by Tom Munnecke at the Sackler Symposium of the National Academy Of Sciences at Irvine, CA. Jan 5, 2007 His full presentation may be seen at http://tinyurl.com/2z4xjd and his wikipedia entry can be found at http://en.wikipedia.org/wiki/David_Jewitt (less info)