William Gregor (25 December 1761 – 11 June 1817) was an English

clergyman Clergy are formal leaders within established religions. Their roles and functions vary in different religious traditions, but usually involve presiding over specific rituals and teaching their religion's doctrines and practices. Some of the ter ...

and

mineralogist Mineralogy is a subject of geology specializing in the scientific study of the chemistry, crystal structure, and physical (including optical) properties of minerals and mineralized artifacts. Specific studies within mineralogy include the proces ...

who discovered the elemental metal

titanium Titanium is a chemical element with the symbol Ti and atomic number 22. Found in nature only as an oxide, it can be reduced to produce a lustrous transition metal with a silver color, low density, and high strength, resistant to corrosion in ...

Early years

He was born at the Trewarthenick Estate in

Cornwall Cornwall (; kw, Kernow ) is a historic county and ceremonial county in South West England. It is recognised as one of the Celtic nations, and is the homeland of the Cornish people. Cornwall is bordered to the north and west by the Atlantic ...

, the son of Francis Gregor and Mary Copley and the brother of

Francis Gregor Francis Gregor (1 June 1760 – 12 July 1815) was an English landowner in Cornwall, Member of Parliament for the Cornwall county constituency from 1790 to 1806. Life Gregor was born on 1 June 1760 in Trewarthenick, Cornwall, the son of Cpt Fra ...

, MP for Cornwall. He was educated at

Bristol Grammar School Bristol Grammar School (BGS) is a 4–18 mixed, independent day school in Bristol, England. It was founded in 1532 by Royal Charter for the teaching of 'good manners and literature', endowed by wealthy Bristol merchants Robert and Nicholas Thorn ...

, where he became interested in

chemistry Chemistry is the science, scientific study of the properties and behavior of matter. It is a natural science that covers the Chemical element, elements that make up matter to the chemical compound, compounds made of atoms, molecules and ions ...

, then after two years with a private tutor entered

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 ...

, graduating BA in 1784 and MA in 1787. He was ordained in the

Church of England The Church of England (C of E) is the established Christian church in England and the mother church of the international Anglican Communion. It traces its history to the Christian church recorded as existing in the Roman province of Britain ...

. He became

vicar A vicar (; Latin: ''vicarius'') is a representative, deputy or substitute; anyone acting "in the person of" or agent for a superior (compare "vicarious" in the sense of "at second hand"). Linguistically, ''vicar'' is cognate with the English pref ...

of St Mary's Church

Diptford Diptford is a village in the county of Devon, England. It is perched on a hill overlooking the River Avon. The name is believed to come from "deep ford", referring to the local site of a river crossing. The village is mentioned in the Domesday ...

near

Totnes Totnes ( or ) is a market town and civil parishes in England, civil parish at the head of the estuary of the River Dart in Devon, England, within the South Devon Area of Outstanding Natural Beauty. It is about west of Paignton, about west-so ...

Devon Devon ( , historically known as Devonshire , ) is a ceremonial and non-metropolitan county in South West England. The most populous settlement in Devon is the city of Plymouth, followed by Devon's county town, the city of Exeter. Devon is ...

. He married Charlotte Anne Gwatkin in 1790 and they had one daughter.

Discovery of titanium

After a brief interval at

Bratton Clovelly Bratton Clovelly is a village, parish and former manor in the west part of Devon, England. It is situated about south-west of Okehampton immediately north of the A30 road. The manor of Bratton Clovelly was listed in the Domesday Book of 1086. T ...

, in 1793 William and his family moved permanently to the

rectory A clergy house is the residence, or former residence, of one or more priests or ministers of religion. Residences of this type can have a variety of names, such as manse, parsonage, rectory or vicarage. Function A clergy house is typically ow ...

Creed A creed, also known as a confession of faith, a symbol, or a statement of faith, is a statement of the shared beliefs of a community (often a religious community) in a form which is structured by subjects which summarize its core tenets. The ea ...

. Here he continued his remarkably accurate chemical analysis of

mineral In geology and mineralogy, a mineral or mineral species is, broadly speaking, a solid chemical compound with a fairly well-defined chemical composition and a specific crystal structure that occurs naturally in pure form.John P. Rafferty, ed. ( ...

s, most of which came from Cornwall, such as the

zeolites Zeolites are microporous, crystalline aluminosilicate materials commonly used as commercial adsorbents and catalysts. They mainly consist of silicon, aluminium, oxygen, and have the general formula ･y where is either a metal ion or H+. These pos ...

found in

gabbro Gabbro () is a phaneritic (coarse-grained), mafic intrusive igneous rock formed from the slow cooling of magnesium-rich and iron-rich magma into a holocrystalline mass deep beneath the Earth's surface. Slow-cooling, coarse-grained gabbro is che ...

The Lizard The Lizard ( kw, An Lysardh) is a peninsula in southern Cornwall, England, United Kingdom. The most southerly point of the British mainland is near Lizard Point at SW 701115; Lizard village, also known as The Lizard, is the most southerl ...

. He also analysed

wavellite Wavellite is an aluminium basic phosphate mineral with formula Al3( P O4)2(O H, F)3·5 H2O. Distinct crystals are rare, and it normally occurs as translucent green radial or spherical clusters. Discovery and occurrence Wavellite was first d ...

tourmaline Tourmaline ( ) is a crystalline silicate mineral group in which boron is compounded with elements such as aluminium, iron, magnesium, sodium, lithium, or potassium. Tourmaline is a gemstone and can be found in a wide variety of colors. The ...

, and the

uranium Uranium is a chemical element with the symbol U and atomic number 92. It is a silvery-grey metal in the actinide series of the periodic table. A uranium atom has 92 protons and 92 electrons, of which 6 are valence electrons. Uranium is weak ...

minerals

torbernite Torbernite is a radioactive, hydrated green copper uranyl phosphate mineral, found in granites and other uranium-bearing deposits as a secondary mineral. Its name derives from the Swedish chemist Torbern Bergman (1735–1784), It is also known ...

and

autunite Autunite (hydrated calcium uranyl phosphate), with formula Ca(UO2)2(PO4)2·10–12H2O, is a yellow-greenish fluorescent phosphate mineral with a hardness of 2–. Autunite crystallizes in the orthorhombic system and often occurs as tabular square ...

, the arsenate

scorodite Scorodite is a common hydrated iron arsenate mineral, with the chemical formula FeAsO4·2H2O. It is found in hydrothermal deposits and as a secondary mineral in gossans worldwide. Scorodite weathers to limonite. Scorodite was discovered in the S ...

, the

lead Lead is a chemical element with the symbol Pb (from the Latin ) and atomic number 82. It is a heavy metal that is denser than most common materials. Lead is soft and malleable, and also has a relatively low melting point. When freshly cu ...

mineral

mimetite Mimetite is a lead arsenate chloride mineral (Pb5(AsO4)3Cl) which forms as a secondary mineral in lead deposits, usually by the oxidation of galena and arsenopyrite. The name derives from the Greek Μιμητής ''mimetes'', meaning "imitator" a ...

and the

nickel Nickel is a chemical element with symbol Ni and atomic number 28. It is a silvery-white lustrous metal with a slight golden tinge. Nickel is a hard and ductile transition metal. Pure nickel is chemically reactive but large pieces are slow to ...

mineral

niccolite Nickeline or niccolite is a mineral consisting primarily of nickel arsenide (NiAs). The naturally-occurring mineral contains roughly 43.9% nickel and 56.1% arsenic by mass, but composition of the mineral may vary slightly. Small quantities of s ...

, and others. But he is best known for one of his earliest discoveries: in 1791, while analysing the minerals in a

black sand Black sand is sand that is black in color. One type of black sand is a heavy, glossy, partly magnetic mixture of usually fine sands containing minerals such as magnetite, found as part of a placer deposit. Another type of black sand, found on b ...

he had discovered in the

Manaccan Manaccan (; kw, Manahan) is a civil parish and village on the Lizard peninsula in south Cornwall, United Kingdom. The village is about five miles (8 km) south-southwest of Falmouth. The origin of the name Manaccan is probably derived ...

valley, he isolated the

calx Calx is a substance formed from an ore or mineral that has been heated. Calx, especially of a metal, is now known as an oxide. According to the obsolete phlogiston theory, the calx was the true elemental substance, having lost its phlogiston in t ...

of an unknown metal which he named ''manaccanite''. Later in 1791,

Martin Heinrich Klaproth Martin Heinrich Klaproth (1 December 1743 – 1 January 1817) was a German chemist. He trained and worked for much of his life as an apothecary, moving in later life to the university. His shop became the second-largest apothecary in Berlin, and ...

discovered what is now known as

in the mineral

rutile Rutile is an oxide mineral composed of titanium dioxide (TiO2), the most common natural form of TiO2. Rarer Polymorphism (materials science), polymorphs of TiO2 are known, including anatase, akaogiite, and brookite. Rutile has one of the highest ...

. Believing this to be a new discovery, Klaproth named it ''titanium'' after the

Titans In Greek mythology, the Titans ( grc, οἱ Τῑτᾶνες, ''hoi Tītânes'', , ''ho Tītân'') were the pre-Olympian gods. According to the ''Theogony'' of Hesiod, they were the twelve children of the primordial parents Uranus (Sky) and Ga ...

Greek Mythology A major branch of classical mythology, Greek mythology is the body of myths originally told by the Ancient Greece, ancient Greeks, and a genre of Ancient Greek folklore. These stories concern the Cosmogony, origin and Cosmology#Metaphysical co ...

, but eventually it was clarified that Gregor made the discovery first. Gregor was credited with the discovery, but the element kept the name chosen by Klaproth. Gregor later found titanium in

corundum Corundum is a crystalline form of aluminium oxide () typically containing traces of iron, titanium, vanadium and chromium. It is a rock-forming mineral. It is a naturally transparent material, but can have different colors depending on the pres ...

from

Tibet Tibet (; ''Böd''; ) is a region in East Asia, covering much of the Tibetan Plateau and spanning about . It is the traditional homeland of the Tibetan people. Also resident on the plateau are some other ethnic groups such as Monpa people, ...

, and in a

from a local tin mine. See the main article on

for information on its many uses. Titanium is a

transition metal In chemistry, a transition metal (or transition element) is a chemical element in the d-block of the periodic table (groups 3 to 12), though the elements of group 12 (and less often group 3) are sometimes excluded. They are the elements that can ...

with the atomic number of 22 and atomic mass 47.867.

Death and legacy

Gregor was made an honorary member 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 ...

on its inception in 1807, and was a founding member of the

Royal Geological Society of Cornwall The Royal Geological Society of Cornwall is a geological society based in Penzance, Cornwall in the United Kingdom. It was founded in 1814 to promote the study of the geology of Cornwall, and is the second oldest geological society in the world ...

in 1814. His friends and correspondents included John Hawkins, Philip Rashleigh and

John Ayrton Paris John Ayrton Paris, FRS (178524December 1856) was a British physician. He is most widely remembered as a possible inventor of the thaumatrope, which he published with W. Phillips in April 1825. Life Paris was a medical researcher of distincti ...

. Never letting his scientific work interfere with his pastoral duties, he was also a distinguished landscape painter, etcher and musician. He died of

tuberculosis Tuberculosis (TB) is an infectious disease usually caused by '' Mycobacterium tuberculosis'' (MTB) bacteria. Tuberculosis generally affects the lungs, but it can also affect other parts of the body. Most infections show no symptoms, in ...

on 11 June 1817 and was buried at nearby Cornelly church.

References

External links

* {{DEFAULTSORT:Gregor, William 1761 births 1817 deaths People from Tregony Geologists from Cornwall People educated at Bristol Grammar School Alumni of St John's College, Cambridge 19th-century deaths from tuberculosis Discoverers of chemical elements Mineralogists from Cornwall 18th-century English Anglican priests 18th-century English chemists 19th-century English chemists Tuberculosis deaths in England