Mark H. Johnson is Director of the Centre for Brain and Cognitive Development at Birkbeck College, University of London, UK. He is the author of more than 300 papers, has written or edited ten books, is an elected Fellow of several academic societies, and is a former editor-in-chief of the Wiley-Blackwell Journal of Developmental Science.
Michelle de Haan is Reader in Developmental Cognitive Neuroscience in the Institute of Child Health at University College London, UK, and Honorary Principal Neuropsychologist for Great Ormond Street Hospital for Children NHS Trust.