Professor Carol Dezateux (Ïã¸ÛÁùºÏ²ÊÖÐÌØÍø Institute of Child Health), Professor Sir Michael Marmot and Professor Diana Kuh (Ïã¸ÛÁùºÏ²ÊÖÐÌØÍø Epidemiology & Public Health) contribute to a programme exploring the past, present and future of longitudinal studies.