His lab developed and supports CoWeb/Swiki, one of the most popular of the WikiWikiWeb implementations. He is the author and co-editor of two books on Squeak, a language designed for multimedia and learning. He is just completing a book on introducing programming in a media context with collaborative infrastructure. He is on the editorial boards of "Interactive Learning Environments" and "Journal of the Learning Sciences." March 3, 2004: Web-based Computer Support for UIC Students, Staff, and Faculty