Richard Layard is Emeritus Professor of Economics at the London School of Economics, and author of the bestselling Happiness (Allen Lane, 2006). Judith Dunn is Professor of Developmental Psychology at the Institute of Psychiatry, King's College London.
PHOEBE DUNN was a world-renowned photographer best known for her pictures of children and animals. Her photographs have been published in more than twenty children's books, many of them written by her daughter, Judy Dunn.