ABOUT: Google TechTalks January 11, 2006\r\n\r\nBil Lewis\r\n\r\nBil Lewis is a computer scientist who has worked on natural language understanding, ... all » expert systems, language design, and programming tools. He studied at Ripon College, the University of Indiana, and Penn. He has taught at Stanford and for numerous companies. He has worked at Stanford Research Institute, the FMC AI Center, and Sun Microsystems. He wrote \\\