Philip Crowder of Bristol, Tennessee, is the director of the Computer and Information Management (CIM) program at Virginia Intermont College where he teaches future Web designers and programmers the ins and outs of HTML, XHTML, XML, CSS, JavaScript, and a variety of other Web languages and technologies. He has also done funded research into computer-based human language translation systems.

David A. Crowder is a professional Web developer, and the author or coauthor of more than 20 books on Web design and development. He has been involved in the online community for more than a decade, and has helped to teach hundreds of thousands of readers to create their own cutting-edge Web sites.