Jeroen J. G. van Merriënboer (1959-2023) was Emeritus Professor of Learning and Instruction at Maastricht University, The Netherlands. Before retiring, he was Research Director of the Graduate School of Health Professions Education (SHE) at Maastricht University. He also held honorary positions at the University of Bergen, Norway, and the Open University of the Netherlands. He has published over 450 journal articles and book chapters in the areas of learning and instruction and medical education. Paul A. Kirschner (1951) is Emeritus Professor of Educational Psychology at the Open University of the Netherlands as well as Honorary Doctor (Doctor Honoris Causa) at the University of Oulu, Finland, and Guest Professor at Thomas More University of Applied Sciences, Belgium. He owns his own educational consultancy company kirschner-ED and has published more than 400 journal articles, books, and book chapters in the areas of educational psychology, learning, and instruction. Jimmy Frèrejean (1986) is Assistant Professor in the School of Health Professions Education at Maastricht University, The Netherlands, specializing in instructional design in health professions education. Alongside his teaching and research responsibilities, Jimmy actively contributes to the Maastricht University Medical Centre Academy as an educational consultant. He specializes in simulation-based education, coordinates a national lifelong learning program for healthcare professionals, and is closely involved with the TRISIM Expertise Centre for simulation-based education in healthcare.