Chris Roberts lives in West London. He has written about music, films and books for innumerable publications and websites and interviewed everyone from David Bowie to Janet Jackson.

He was the editor of Idle Worship, hailed in the New York Times as ‘the most original book about rock ‘n’ roll ever’, and edited Blondie's Panic of Girls magazine at the band's request.

Often appearing on TV and radio, he has also published books on Kate Moss, Lou Reed, Michael Jackson, Tom Jones, Abba, Talk Talk, Scarlett Johansson, Pharrell Williams, the Gothic arts and many others.

Margaret Brown is technical editor of Photo Review Australia magazine and website and has been writing on photography for more than 30 years. She is author of the popular and extensive Photo Review Pocket Guide series and the Australian Consumer Association's Choice Guide to Digital Photography.

Helen Fisher spent her early life in America but grew up mainly in Suffolk, England, where she now lives with her two children. She studied psychology at Westminster University and ergonomics at University College London, and worked as a senior evaluator in research at the Royal National Institute of Blind People. She is now a full-time author.

Fiona Maclean is an occupational therapist with over 30 years experience. Fiona has worked and collaborated with people living with dementia. She currently works at Edinburgh Napier University;

Dr Alison Warren is an Occupational Therapist with over 30 years experience.

A founder member of the Prime Ministers Dementia Challenge Group for Air Transport. She works at the University of Plymouth;