Leonard W. Poon is University of Georgia Distinguished Research Professor and Professor of Public Health and Psychology. He is also Director of the Institute of Gerontology and the Georgia Geriatric Education Center, Chair of the Faculty of Gerontology and Executive Director of the International Centenarian Consortium. He was Director of the National Institute of Health's funded Georgia Centenarian Study from 1988 to 2009. Dr Poon's primary research interests are longevity and survival of the oldest old by using a multidisciplinary approach to examine the contributors and predictors of functional capacities, life satisfaction, quality of life, personality and ability to cope, as well as genetics, environment and neuropathological contributions to longevity. His other research interests are on normal and pathological changes in memory and learning, the impact of exercise on cognition, and clinical diagnosis of early dementia. He has more than 33 research grants and has published more than 160 articles and books.

David C. Rubin is Juanita M. Kreps Professor of Psychology and Neuroscience at the Duke Institute for Brain Sciences, Duke University. He is a leading researcher in the field of autobiographical memory and the editor of Remembering our Past: Studies in Autobiographical Memory (Cambridge University Press, 1996) and Autobiographical Memory (Cambridge University Press, 1986) among other books.