Papua New Guinea was an Australian territory until 16 September 1975, when the country gained independence. Few Australians even know that we were the colonial rulers of Papua New Guinea. Are we too embarrassed to grapple with our colonial history? Where does the country sit in our imagination?

• Guest: Dr Jonathan Ritchie, who teaches the history of Papua New Guinea at Deakin University as a member of the Centre for Contemporary Histories. 
• Producer: Alex Tighe