Martin Thomas is the author or editor of eight books including The Artificial Horizon; The Many Worlds of R. H. Mathews; and Expedition into Empire. He has produced numerous works for radio and has recently been working on a film, Etched in Bone (Red Lily Productions/Ronin Films), about the theft and repatriation of Aboriginal human remains. He teaches in the School of History at ANU and is currently an investigator on Heritage in the Limelight, a study of magic lanterns funded by the Australian Research Council.