John Strachey FRS (10 May 1671 – 11 June 1743) was a British

geologist A geologist is a scientist who studies the structure, composition, and History of Earth, history of Earth. Geologists incorporate techniques from physics, chemistry, biology, mathematics, and geography to perform research in the Field research, ...

and

topographer Topography is the study of the forms and features of land surfaces. The topography of an area may refer to the landforms and features themselves, or a description or depiction in maps. Topography is a field of geoscience and planetary scienc ...

. He was born in

Chew Magna Chew Magna is a village and civil parish within the Chew Valley in the unitary authority of Bath and North East Somerset, in the ceremonial county of Somerset, England. The parish has a population of 1,149. To the south of the village is Chew ...

England England is a Countries of the United Kingdom, country that is part of the United Kingdom. It is located on the island of Great Britain, of which it covers about 62%, and List of islands of England, more than 100 smaller adjacent islands. It ...

. He inherited estates including

Sutton Court Sutton Court is an English house remodelled by Thomas Henry Wyatt in the 1850s from a manor house built in the 15th and 16th centuries around a 14th-century fortified pele tower and surrounding buildings. The house has been designated as Grad ...

from his father at three years of age. He matriculated at

Trinity College, Oxford Trinity College (full name: The College of the Holy and Undivided Trinity in the University of Oxford, of the foundation of Sir Thomas Pope (Knight)) is a Colleges of the University of Oxford, constituent college of the University of Oxford in E ...

and was admitted at

Middle Temple The Honourable Society of the Middle Temple, commonly known simply as Middle Temple, is one of the four Inns of Court entitled to Call to the bar, call their members to the English Bar as barristers, the others being the Inner Temple (with whi ...

, London, in 1688. He was elected a

Fellow of the Royal Society Fellowship of the Royal Society (FRS, ForMemRS and HonFRS) is an award granted by the Fellows of the Royal Society of London to individuals who have made a "substantial contribution to the improvement of natural science, natural knowledge, incl ...

in 1719. He introduced a theory of rock formations known as

Stratum In geology and related fields, a stratum (: strata) is a layer of rock or sediment characterized by certain lithologic properties or attributes that distinguish it from adjacent layers from which it is separated by visible surfaces known as ...

, based on a pictorial cross-section of the geology under his estate at

Bishop Sutton Bishop Sutton () is a village on the northern slopes of the Mendip Hills, within the affluent Chew Valley in Somerset. It lies east of Chew Valley Lake and north east of the Mendip Hills, approximately ten miles south of Bristol on the A368, W ...

and

Stowey Stowey is a small village and former civil parish, now in the parish of Stowey Sutton, in the Bath and North East Somerset district, in the ceremonial county of Somerset, England. It lies within the Chew Valley, south of Chew Valley Lake and ...

in the

Chew Valley The Chew Valley is an affluent area in North Somerset, England, named after the River Chew, which rises at Chewton Mendip, and joins the River Avon at Keynsham. Technically, the area of the valley is bounded by the water catchment area of ...

and coal seams in nearby coal works of the

Somerset coalfield The Somerset Coalfield in northern Somerset, England is an area where coal was mined from the 15th century until 1973. It is part of a larger coalfield which stretched into southern Gloucestershire. The Somerset coalfield stretched from Cromh ...

, projecting them according to their measured thicknesses and attitudes into unknown areas between the coal workings. The purpose was to enhance the value of his grant of a coal-lease on parts of his estate. This work was later developed by

William Smith William, Willie, Will, Bill, or Billy Smith may refer to: Academics * William Smith (Master of Clare College, Cambridge) (1556–1615), English academic * William Smith (antiquary) (c. 1653–1735), English antiquary and historian of University C ...

. In addition to his map making and geological interests he had several other publications including ''An Alphabetical List of the Religious Houses in Somersetshire (1731)''. He had married twice; firstly Elizabeth Elletson, with whom he had 18 children (see picture of 8 of them) and secondly Christina Staveley, with whom he had a further one child. Strachey died in

Greenwich Greenwich ( , , ) is an List of areas of London, area in south-east London, England, within the Ceremonial counties of England, ceremonial county of Greater London, east-south-east of Charing Cross. Greenwich is notable for its maritime hi ...

, London.

Homage

Strachey Stump, a flat-topped mountain in Antarctica, is named after him.

References

1671 births 1743 deaths British geologists People from Bath and North East Somerset John (geologist) Fellows of the Royal Society English male writers {{England-painter-stub