Sir Gerald Henry Summers (12 October 1885 - 29 November 1925) was a British

British Empire

The British Empire comprised the dominions, colonies, protectorates, mandates and other territories ruled or administered by the United Kingdom. It originated with the overseas colonies and trading posts established by England in the late 16th and early 17th centuries. At its height, it was the...

 army officer and colonial administrator.

Gerald Henry Summers was born on 12 October 1885. He was educated at Bradfield College

Bradfield College

Bradfield College is a coeducational independent school located in the small village of Bradfield in the English county of Berkshire.The college was founded in 1850 by Thomas Stevens, Rector and Lord of the Manor of Bradfield...

 and the Royal Military College, Sandhurst.
In 1904 he entered the army, and served with the Royal Sussex Regiment

Royal Sussex Regiment

The Royal Sussex Regiment was an infantry regiment of the British Army from 1881 to 1966. The regiment was formed as part of the Childers reforms by the amalgamation of the 35th Regiment of Foot and the 107th Regiment of Foot...

, the 93rd Burma Infantry

93rd Burma Infantry

The 93rd Burma Infantry was an infantry regiment of the British Indian Army. The regiment was raised in 1800 as a battalion of Madras Native Infantry. It was designated as the 93rd Burma Infantry in 1903 and became 5th Battalion 8th Punjab Regiment in 1922...

 and the 26th King George's Own Light Cavalry.

Summers joined the Indian contingent of the King's African Rifles

King's African Rifles

The King's African Rifles was a multi-battalion British colonial regiment raised from the various British possessions in East Africa from 1902 until independence in the 1960s. It performed both military and internal security functions within the East African colonies as well as external service as...

 in Somaliland in 1912.
He fought with gallantry against a Dervish

Dervish

A Dervish or Darvesh is someone treading a Sufi Muslim ascetic path or "Tariqah", known for their extreme poverty and austerity, similar to mendicant friars in Christianity or Hindu/Buddhist/Jain sadhus.-Etymology:The Persian word darvīsh is of ancient origin and descends from a Proto-Iranian...

 force in the battle of Dul Madoba in August 1913.
In 1920, in an action planned by the Governor Geoffrey Francis Archer

Geoffrey Francis Archer

Geoffrey Francis Archer was a British ornithologist, big game hunter and colonial official. He was Commissioner and then Governor of British Somalia between 1913 and 1922, and was responsible for finally eliminating the menace of the Mad Mullah...

 and carried out by Lieutenant Colonel Summers, almost the whole Dervish force was destroyed.
Their leader Mohammed Abdullah Hassan

Mohammed Abdullah Hassan

Sayyīd Muhammad `Abd Allāh al-Hasan was a Somali religious and patriotic leader...

, known as the "Mad Mullah" to the British, fled to Abyssinian Somaliland, where, at the town of Imi

Imi, Ethiopia

Imi is a village in the Somali Region of Ethiopia. It is located in the Mirab Imi woreda of the Afder Zone on the north bank of the Shebelle River, at latitude and longitude with an elevation of 442 meters above sea level.The Central Statistical Agency has not published an estimate for this...

, he died in January 1921.
On 17 August 1922, Summers was appointed Governor of British Somaliland, holding office until his death on 29 November 1925.