David Dufty has a PhD in psychology, and has worked as a statistician and social researcher at the University of Memphis, Newspoll, and the Australian Bureau of Statistics. His book The Secret Code Breakers of Central Bureau won the 2017 Nib Military History Prize.
'Captivating account' - The Canberra Times 'Violet McKenzie deserves to be regarded as an Australian legend' - Weekend Australian 'There's much to love about this meticulously researched work on a fascinating woman whose story is largely lost to history' - The Saturday Paper 'A charming and very human story of how one small person mobilised an army of communicators to meet a national emergency' - Australian Naval Institute