Håkon Lie is a graduate of the MIT Media Lab where he worked in the Electronic Publishing group. After working as a reseacher for Norwegian Telecom for some years, he entered into the cradle of the Web, the WWW project of the CERN Physics Laboratory in Geneva. In July 1995 he started the W3 Consortium's technical activities Europe and is now responsible for Style Sheets within W3C. Bert Bos completed his Ph.D. in Groningen, The Netherlands, on a prototyping language for graphical user interfaces. He then went on to develop browser software and support for humanities scholars, before joining the W3C at INRIA/Sophia-Antipolis in October 1995. He is now working on HTML internationalization issues and style sheets.