These are case studies of student teams using VMT to work on problems in the mathematical domain of combinatorics. The version of VMT used here included a gener

These essays are some of the most important papers co-written with my colleagues that supplement the discussion of CSCL research in the published books. These c

The interdisciplinary field of Computer-Supported Collaborative Learning (CSCL) explores ways of making learning more engaging, stimulating, and effective by pr

My career has usually been funded by grants. Here are some of the proposals I wrote at the University of Colorado and at Drexel University. Successful grant pro

This volume contains information on Gerry StahlÕs sculpture and other artistic creations. There are reflections on his approach to sculpture, both aesthetic an