Jeffrey Grey was born on March 19, 1959. He was an Australian military historian and author. His books included A Military History of Australia and A Soldier's Soldier. He also edited the Oxford Companion to Australian Military History, the Oxford Australian Centenary History of Defence series, and the Oxford Centenary History of Australia and the Great War series. He founded the Australian Centre for the Study of Armed Conflict at the University of New South Wales Canberra. He was a professor at the Australian Defence Force Academy. He died on July 26, 2016 at the age of 57.