Duncan Richardson migrated to Australia in 1970. He taught in Botswana from 1987 to 1988, and returned to work in Australia as a part-time teacher. His fiction has been published in various anthologies such as Obliquity, Futurevisions, Subtropical Suspense, Lighthouses and Within/Without Walls. In 2008, his verse play The Grammar of Deception was produced and broadcast by ABC Radio National.
Duncan has published several children's books, including readers for Macmillan: Wennabees and Yum-Worms (2005), Revenge (2005), Jason Chen and the Time Banana (2008) and Dinomania (2014). He is a part-time English as a Second Language teacher and regularly runs writing workshops for adults and children. His first history book, Year of Disaster: Brisbane 1864, was released in 2017, followed two years later by Captives of the Spanish Lady about the flu quarantine in 1919 and Civilising Brisbane in 2021, about three colonial women who changed the face of the town.