Eustace Graham Keogh MBE, ED (24 April 1899 – 9 November 1981) was an Australian Army officer and military historian who served in First and Second World Wars.

He was assigned to the 1st Australian Wireless Signal Squadron, and embarked for Iraq on the RMS Malwa on 25 July 1916, joining his unit as Basra on 28 August.

[2] He qualified as a civil engineer and surveyor, and was commissioned as a lieutenant in the 24th Battalion, a part-time Militia unit, on 22 November 1924.

He was assigned to the Advanced Headquarters, Allied Land Forces, South West Pacific Area, (LHQ) as a GSO2 in the G Branch Directorate of Military Training.

[3] He was seconded to General Headquarters (GHQ) as the Regulating Officer in Lae on 17 November 1943, travelling to New Guinea by air.

He returned to Australia on 27 February 1944, and was appointed GSO1 (Staff Duties and Training) at Second Army HQ on 6 April 1944.

[8] He was made a Member of the Order of the British Empire "in recognition for outstanding public service" in the 1957 New Year Honours.

In retirement, Keogh was the technical advisor to the television series, The Sullivans, about the experiences of an Australian family during and immediately after the Second World War.

[11] It provides for an annual visit by a selected eminent academic in strategic or war studies in order to increase the profile of debate on land warfare issues in Australia.

The journal of the profession of arms that he established and edited for nearly two decades was not the first such publication in Australia, although it was easily the most sustained and wide-ranging.

What makes Keogh worth of note and explains his influence within the army of his day was that he did all of trhese things and did so for an extended period of time.