Ken Koedinger
Human-Computer Interaction and Psychology

Carnegie Mellon University
5000 Forbes Avenue
Pittsburgh, PA 15213-3891

Phone: 412-268-7667
Fax: 412-268-1266
Email:
Web: http://www-2.cs. cmu.edu/ ~pact/ koedinger.html

Charles Perfetti
Distinguished University Professor of Psychology

Learning Research and Development Center
University of Pittsburgh
Pittsburgh, PA 15260

Email:
Phone: 412-624-7071
Fax: 412-624-9149
Web:Charles Perfetti