Samuel N. Kamin is Associate Professor of Computer Science at the University of Illinois at Urbana-Champaign. His research interests are in the area of programming languages, compilers, and run-time code generation. He is the author of several books, including Programming Languages: An Interpreter-Based Approach (1990). More recently, he started an educational technology research group in his department, and has been exploring the development and uses of educational applications for the Tablet PC.