Iven Giffard Mackay

Sir Iven Giffard Mackay
Official 1919 portrait of Iven Mackay by John Longstaff
Nickname(s)	"Mister Chips"
Born	7 April 1882 Grafton, New South Wales
Died	30 September 1966(1966-09-30) (aged 84) Sydney, New South Wales
Allegiance	Australia
Service/branch	Australian Army
Years of service	1913–46
Rank	Lieutenant General
Service number	NX363
Commands held	Second Army New Guinea Force 6th Division 2nd Division 5th Infantry Brigade 8th Infantry Brigade 9th Infantry Brigade 1st Infantry Brigade 1st Machine Gun Battalion 4th Infantry Battalion
Battles/wars	First World War Gallipoli Campaign Battle of Pozières Second Battle of Bullecourt Battle of Passchendaele Battle of the Lys Battle of Amiens Battle of the Hindenburg Line Second World War Operation Compass Battle of Greece Salamaua–Lae campaign Huon Peninsula campaign Finisterre Range campaign
Awards	Knight Commander of the Order of the British Empire Companion of the Order of St Michael and St George Distinguished Service Order & Bar Volunteer Decoration Mentioned in Despatches (6) Croix de guerre (France) War Cross (Greece)
Other work	Australian High Commissioner to India

Lieutenant General Sir Iven Giffard Mackay, KBE, CMG, DSO & Two Bars, VD (7 April 1882 – 30 September 1966) was a senior Australian Army officer who served in both world wars.

Mackay graduated from the University of Sydney in 1904 and taught physics there from 1910 until 1914, when he joined the Australian Imperial Force shortly after the outbreak of the First World War. He served with the 4th Infantry Battalion at Gallipoli, where he distinguished himself in hand-to-hand fighting at the Battle of Lone Pine. In April 1916, he assumed command of the 4th Infantry Battalion on the Western Front and led it at the Battle of Pozières, Battle of Bullecourt and Battle of Broodseinde. He was promoted to brigadier general in June 1918, and led the 1st Infantry Brigade at the Battle of Hazebrouck, the Battle of Amiens and in the attack on the Hindenburg Line.