Sir Jethro Justinian Harris Teall FRS H

FRSE Fellowship of the Royal Society of Edinburgh (FRSE) is an award granted to individuals that the Royal Society of Edinburgh, Scotland's national academy of science and letters, judged to be "eminently distinguished in their subject". This soci ...

PGS (5 January 1849 – 2 July 1924) was a

British British may refer to: Peoples, culture, and language * British people, nationals or natives of the United Kingdom, British Overseas Territories, and Crown Dependencies. ** Britishness, the British identity and common culture * British English, ...

geologist and petrographist.

Teallite Teallite is a sulfide mineral of tin and lead with chemical formula: Pb Sn S2. It occurs in hydrothermal veins and is sometimes mined as an ore of tin. Teallite forms soft silvery grey mica-like plates and crystallizes in the orthorhombic syste ...

is named after him.

Life

He was born to Jethro Teall of

Sandwich, Kent Sandwich is a town and civil parish in the Dover District of Kent, south-east England. It lies on the River Stour and has a population of 4,985. Sandwich was one of the Cinque Ports and still has many original medieval buildings, including sev ...

(1816-1848) and his wife, Mary Hathaway (1820-1880) in

Northleach Northleach is a market town and former civil parish, now in parish Northleach with Eastington, in the Cotswold district, in Gloucestershire, England. The town is in the valley of the River Leach in the Cotswolds, about northeast of Cirencester ...

, Gloucestershire. He was educated at Northleach Grammar School then Berkeley Villa School in

Cheltenham Cheltenham (), also known as Cheltenham Spa, is a spa town and borough on the edge of the Cotswolds in the county of Gloucestershire, England. Cheltenham became known as a health and holiday spa town resort, following the discovery of mineral s ...

. He studied Sciences at

St John's College, Cambridge St John's College is a Colleges of the University of Cambridge, constituent college of the University of Cambridge founded by the House of Tudor, Tudor matriarch Lady Margaret Beaufort. In constitutional terms, the college is a charitable corpo ...

, specialising in Geology. In 1874, he was awarded the Sedgwick Prize for his study of lower-level greensand, a form of sandstone. He was elected a

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

in 1890, mainly on account of his book ''British Petrography'', written in 1888. He won the

Bigsby Medal The Bigsby Medal is a medal of the Geological Society of London established by John Jeremiah Bigsby. It is awarded for the study of American geology. Recipients SourcThe Geological Society See also * List of geology awards * Prizes named after ...

in 1889. He was President of the

Geological Society of London The Geological Society of London, known commonly as the Geological Society, is a learned society based in the United Kingdom. It is the oldest national geological society in the world and the largest in Europe with more than 12,000 Fellows. Fe ...

1900–1902, and won the

Wollaston Medal The Wollaston Medal is a scientific award for geology, the highest award granted by the Geological Society of London. The medal is named after William Hyde Wollaston, and was first awarded in 1831. It was originally made of gold (1831–1845), t ...

of the Society in 1905. He was awarded honorary doctorates by the

University of Dublin The University of Dublin ( ga, Ollscoil Átha Cliath), corporately designated the Chancellor, Doctors and Masters of the University of Dublin, is a university located in Dublin, Ireland. It is the degree-awarding body for Trinity College Dubl ...

(DSc) and the

University of Oxford , mottoeng = The Lord is my light , established = , endowment = £6.1 billion (including colleges) (2019) , budget = £2.145 billion (2019–20) , chancellor ...

(DSc) and by the

University of St Andrews (Aien aristeuein) , motto_lang = grc , mottoeng = Ever to ExcelorEver to be the Best , established = , type = Public research university Ancient university , endowment ...

(LLD). In 1901, he became the Director of His Majesty's

Geological Survey A geological survey is the systematic investigation of the geology beneath a given piece of ground for the purpose of creating a geological map or model. Geological surveying employs techniques from the traditional walk-over survey, studying outc ...

, personally completing much work in north west

Scotland Scotland (, ) is a country that is part of the United Kingdom. Covering the northern third of the island of Great Britain, mainland Scotland has a border with England to the southeast and is otherwise surrounded by the Atlantic Ocean to the ...

. He was knighted in 1916 for his contribution to the survey. He was a member of the

Athenaeum Club, London The Athenaeum is a private members' club in London, founded in 1824. It is primarily a club for men and women with intellectual interests, and particularly (but not exclusively) for those who have attained some distinction in science, engineerin ...

. He died at Rosendale Road in

London London is the capital and largest city of England and the United Kingdom, with a population of just under 9 million. It stands on the River Thames in south-east England at the head of a estuary down to the North Sea, and has been a majo ...

on 2 July 1924.

Family

He married Harriet Moore Cowen (1856-1940) in 1879 and had two children, Major George (1880-1939) and Frederick Teall (1882-1952).

Publications

References

{{DEFAULTSORT:Teall, Jethro Justinian Harris 1849 births 1924 deaths Fellows of the Royal Society Knights Bachelor British geologists Wollaston Medal winners People from Northleach Alumni of St John's College, Cambridge Presidents of the Geologists' Association