John Derek Jarrett was an English

United Kingdom

The United Kingdom of Great Britain and Northern IrelandIn the United Kingdom and Dependencies, other languages have been officially recognised as legitimate autochthonous languages under the European Charter for Regional or Minority Languages...

 schoolteacher, historian

Historian

A historian is a person who studies and writes about the past and is regarded as an authority on it. Historians are concerned with the continuous, methodical narrative and research of past events as relating to the human race; as well as the study of all history in time. If the individual is...

, and writer

Writer

A writer is a person who produces literature, such as novels, short stories, plays, screenplays, poetry, or other literary art. Skilled writers are able to use language to portray ideas and images....

. He was born at Whyteleafe

Whyteleafe

Whyteleafe is a small town in South East England, in the Surrey district of Tandridge. Four streets in Whyteleafe are just inside the southern edge of the London Borough of Croydon. Neighbouring villages and towns include Woldingham, Caterham, Coulsdon, Warlingham, and Kenley...

, Surrey

Surrey

Surrey is a county in the South East of England and is one of the Home Counties. The county borders Greater London, Kent, East Sussex, West Sussex, Hampshire and Berkshire. The historic county town is Guildford. Surrey County Council sits at Kingston upon Thames, although this has been part of...

 and served in the RAF

Royal Air Force

The Royal Air Force is the aerial warfare service branch of the British Armed Forces. Formed on 1 April 1918, it is the oldest independent air force in the world...

 during World War II

World War II

World War II, or the Second World War , was a global conflict lasting from 1939 to 1945, involving most of the world's nations—including all of the great powers—eventually forming two opposing military alliances: the Allies and the Axis...

 before studying history at Keble College, Oxford

Keble College, Oxford

Keble College is one of the constituent colleges of the University of Oxford in England. Its main buildings are on Parks Road, opposite the University Museum and the University Parks. The college is bordered to the north by Keble Road, to the south by Museum Road, and to the west by Blackhall...

. He is best known for his edition of Horace Walpole’s Memoirs of the Reign of King George III, and perhaps for his sometimes acerbic reviews in the New York Review of Books.

Jarrett taught at Sherborne School

Sherborne School

Sherborne School is a British independent school for boys, located in the town of Sherborne in north-west Dorset, England. It is one of the original member schools of the Headmasters' and Headmistresses' Conference....

 in Dorset

Dorset

Dorset , is a county in South West England on the English Channel coast. The county town is Dorchester which is situated in the south. The Hampshire towns of Bournemouth and Christchurch joined the county with the reorganisation of local government in 1974...

 until the mid-1960s, then at Goldsmith’s College of the University of London

University of London

-20th century:Shortly after 6 Burlington Gardens was vacated, the University went through a period of rapid expansion. Bedford College, Royal Holloway and the London School of Economics all joined in 1900, Regent's Park College, which had affiliated in 1841 became an official divinity school of the...

 for the remainder of his academic career. Around 1990 he retired to Cornwall to complete work on his Walpole masterpiece, which was published in 1999. He died at Truro

Truro

Truro is a city and civil parish in Cornwall, England, United Kingdom. The city is the centre for administration, leisure and retail in Cornwall, with a population recorded in the 2001 census of 17,431. Truro urban statistical area, which includes parts of surrounding parishes, has a 2001 census...

 in Cornwall

Cornwall

Cornwall is a unitary authority and ceremonial county of England, within the United Kingdom. It is bordered to the north and west by the Celtic Sea, to the south by the English Channel, and to the east by the county of Devon, over the River Tamar. Cornwall has a population of , and covers an area of...

.

Works

• Britain 1688-1815 (1965)
• The Begetters of Revolution: England's Involvement with France, 1759-1789
• Pitt the Younger (1974)
• The Ingenious Mr. Hogarth (1976)
• England in the Age of Hogarth (1976)
• The Sleep of Reason: Fantasy and Reality from the Victorian Age to the First World War (1988).
• Horace Walpole's Memoirs of the Reign of King George III, 4 volumes, editor (1999)