AustLit

'Robert O’Neill was the Intelligence Officer of the 5th Battalion, Royal Australian Regiment, for much of its first tour in Vietnam, 1966–67. He later became a strategic analyst and historian of war, serving as Head of the Strategic and Defence Studies Centre, ANU, 1971–82; Director of the International Institute for Strategic Studies, London, 1982–87; and Chichele Professor of the History of War, Oxford University, 1987–2001. He was also the Australian Official Historian for the Korean War, 1970–82, and Chairman of Trustees of the Imperial War Museum, London, 1998–2001.'

(Source: publisher's biography)