Bill Gammage is a historian at the Humanities Research Centre, Australian National University. His books include The Broken Years: Australian Soldiers in the Great War and three prize-winning titles - Narrandera Shire, The Sky Travellers: Journeys in New Guinea 1938-1939 and The Biggest Estate on Earth: How Aborigines Made Australia. Bruce Pascoe is an Aboriginal Australian writer of literary fiction, non-fiction, poetry, essays and children's literature. He is the enterprise professor in Indigenous Agriculture at the University of Melbourne. He is best known for his work Dark Emu: Black Seeds: Agriculture or Accident? which re-examines colonial accounts of Aboriginal people in Australia and cites evidence of pre-colonial agriculture, engineering and building construction by Aboriginal and Torres Strait Islander peoples.