Cyril Deverell

Field Marshal Sir Cyril Deverell
Sir Cyril Deverell, pictured here in 1920 when he was a major general.
Birth name	Cyril John Deverell
Born	(1874-11-09)9 November 1874 Saint Peter Port, Guernsey
Died	12 May 1947(1947-05-12) (aged 72) Lymington, Hampshire, England
Allegiance	United Kingdom
Service / branch	British Army
Years of service	1895–1937
Rank	Field marshal
Service number	869
Unit	West Yorkshire Regiment
Commands	Chief of the Imperial General Staff Eastern Command Western Command 53rd (Welsh) Infantry Division 3rd Division 20th Brigade 1/4th Battalion, East Yorkshire Regiment
Battles / wars	Fourth Anglo-Ashanti War First World War
Awards	Knight Grand Cross of the Order of the Bath Knight Commander of the Order of the British Empire Mentioned in Despatches Legion of Honour (France) Croix de guerre (France)

Field Marshal Sir Cyril John Deverell GCB KBE DL (9 November 1874 – 12 May 1947) was a British Army officer who served as Chief of the Imperial General Staff (CIGS), the professional head of the British Army, from 1936 to 1937. Prior to his becoming CIGS, he fought in the Fourth Anglo-Ashanti War and the First World War, during which he commanded at battalion, brigade and division level, and later advised the British government on the importance of maintaining the capability to mount an Expeditionary Force for operations on mainland Europe in the years leading up to the Second World War.