The UIUC Smalltalk Research Group is located at the Department of Computer Science at the University of Illinois in Urbana-Champaign. Under the direction of Professor RalphJohnson, the members of the UIUC Smalltalk Group have been using Smalltalk 80 since 1985. Follow the link to the group's homepage. http://st-www.cs.uiuc.edu/research-gp.html