Dana L Zeidler Editor

Norman G. Lederman (deceased) was the Distinguished Professor and Chair, Department of Mathematics and Science Education Illinois Institute of Technology, USA.

Dana L. Zeidler is the Distinguished University Professor and Program Coordinator for Science Education in the Department of Curriculum, Instruction, and Learning of the College of Education at the University of South Florida, USA.

Judith S. Lederman is a Professor Emeritus in the Department of Mathematics and Science Education Illinois Institute of Technology, USA.