Barbara Tversky, “Creating Diagrams”
Professor Emerita of Psychology at Stanford University and a Professor of Psychology and Education at Teachers College, Columbia University, USA

Patrick Healey, “Coordinating Graphical Languages”
Professor for Human Interaction, School of Electronic Engineering and Computer Science, Queen Mary University of London, UK

David Kirsh, “Thinking with Illustrations”
Professor of Cognitive Science, University of California, San Diego, USA

William Bechtel, “Ways Scientists Reason with Diagrams”
Professor of Philosophy, University of California, San Diego, USA

Peter Cheng, “Re-discovering diagrams and re-codifying knowledge in science”
Professor of Cognitive Science, Department of Informatics, University of Sussex, UK

Mary Hegarty, “Cognition and Metacognition in Reasoning with Diagrams”
Professor of Psychology, University of California, Santa Barbara, USA