He is a former chairman and the current W3C Staff Contact of the CSS Working Group.
While Bert Bos of the World Wide Web Consortium has produced a Document Type Definition that includes syntax for the blink element (defining it as a phrase element on a par with elements for emphasis and citations), the comments in the DTD explain that it is intended as a joke.
Bert Jansch | Bert Williams | Bert Newton | Bert | Bert Lahr | Bert Kaempfert | Bert Bell | Bert (Sesame Street) | Bert Karlsson | Bert Hinkler | Bert Firman | Bert Campaneris | Bert Sutcliffe | Bert Parks | Bert Fegg's Nasty Book for Boys and Girls | Bert Amato | Michiel van den Bos | Cindy & Bert | Bob Bert | Bert Wilson | Bert Cooper | Bert Anciaux | Bert Acosta | Theo Bos | John, Paul, George, Ringo … and Bert | Bert Wright | Bert Wilson (broadcaster) | Bert Trautmann | Bert Thomas | Bert Sutcliffe Oval |