Sociologist Professor Vivien Johnson's connection to Papunya, its artists and art movement spans more than four decades. Charlotte Phillipus is a retired teacher, community linguist, renowned artist and authority on Pintupi-Luritja. She was a leading writer for the PLPC and guided Vivien and Samantha in all stages of this book. Dr Samantha Disbray is a lecturer in endangered languages and involved with Indigenous language revitalisation.