Tom Griffiths is a writer and historian whose work has won prizes in literature, history, science, politics and journalism, including the Prime Minister's Prize for Australian History and the Douglas Stewart and Nettie Palmer prizes for non-fiction. His books include The Art of Time Travel, Hunters and Collectors, Forests of Ash and Slicing the Silence: Voyaging to Antarctica. He is Emeritus Professor of History at the Australian National University.