Keynote Plenary Speakers

	Clyde Freeman Herreid PBL-- Back to the Future
	P.K.Rangachari To Teach and to Learn: The Past as Prologue
	Maggi Savin-Baden Deconstructing Problem-Based Learning Facilitation
	Karl A. Smith The Role of Collaboration in Designing and Practicing Problem Based Learning
	Oon-Seng Tan Key Cognitive Processes in PBL Practices: Insights for PBL Facilitators