CARLOLYN ROVEE-COLLIER is Professor II of Psychology at Rutgers University. She is recognized as having founded the field of infant long-memory and is currently funded by the National Institute of Mental Health for research on infant learning and memroy. She has authored more than 180 publications.LEWIS P. LIPSITT is Professor Emeritus of psychology, medical science and human development at Brown University, where he continues as research professor of psychologyHARLENE HAYNE is Professor at the department of psychology, University of Otago, New Zealand. Her focus in on the development of learning and memory in infants and young children.