Smithson Tennant

S. TennantTennant, Smithson
Smithson Tennant FRS (30 November 1761 – 22 February 1815 ) was an English chemist.wikipedia
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Iridium

IrIr-192Ir(III)
Tennant is best known for his discovery of the elements iridium and osmium, which he found in the residues from the solution of platinum ores in 1803.
Smithson Tennant, the primary discoverer, named iridium for the Greek goddess Iris, personification of the rainbow, because of the striking and diverse colors of its salts.

Osmium

Osos'''miumosmiophilic
Tennant is best known for his discovery of the elements iridium and osmium, which he found in the residues from the solution of platinum ores in 1803.
Osmium was discovered in 1803 by Smithson Tennant and William Hyde Wollaston in London, England.

Tennantite

argentotennantite
The mineral tennantite is named after him.
The mineral was first described for an occurrence in Cornwall, England in 1819 and named after the English chemist Smithson Tennant (1761-1815).

Diamond

diamondsdiamond miningindustrial diamond
He also contributed to the proof of the identity of diamond and charcoal.
Later in 1797, the English chemist Smithson Tennant repeated and expanded that experiment.

Selby

Selby, YorkshireNorth Yorkshire townSelby, North Yorkshire
Tennant was born in Selby in Yorkshire.

Beverley Grammar School

Beverley SchoolBeverley Free Schoolgrammar school
He attended Beverley Grammar School and there is a plaque over one of the entrances to the present school commemorating his discovery of the two elements, osmium and iridium.

Yusuf Hamied 1702 Professor of Chemistry

Professor of Chemistry1702 Chair of Chemistry1702 Chair in Organic Chemistry
He was appointed professor of chemistry at Cambridge in 1813, but lived to deliver only one course of lectures, being killed near Boulogne-sur-Mer by the fall of a bridge over which he was riding.

Boulogne-sur-Mer

BoulogneGesoriacumBononia
He was appointed professor of chemistry at Cambridge in 1813, but lived to deliver only one course of lectures, being killed near Boulogne-sur-Mer by the fall of a bridge over which he was riding.

Royal Society

FRSRoyal Society of LondonThe Royal Society
Smithson Tennant FRS (30 November 1761 – 22 February 1815 ) was an English chemist.

Chemist

chemistsresearch chemistchemical
Smithson Tennant FRS (30 November 1761 – 22 February 1815 ) was an English chemist.

Platinum

Ptcompounds of platinumdouble Platinum
Tennant is best known for his discovery of the elements iridium and osmium, which he found in the residues from the solution of platinum ores in 1803.

Charcoal

collierscolliercharcoal burners
He also contributed to the proof of the identity of diamond and charcoal.

Yorkshire

Yorkshire, EnglandCounty of YorkYorkshireman
Tennant was born in Selby in Yorkshire.

Cecil Calvert, 2nd Baron Baltimore

Lord BaltimoreCecilius Calvert, 2nd Baron BaltimoreCecilius Calvert
His father was Calvert Tennant (named after his grandmother Phyllis Calvert, a granddaughter of Cecilius Calvert, 2nd Baron Baltimore).

Medicine

medicalmedical scienceclinical medicine
He began to study medicine at Edinburgh in 1781, but after a few months moved to Cambridge, where he devoted himself to botany and chemistry.

University of Edinburgh

Edinburgh UniversityEdinburghThe University of Edinburgh
He began to study medicine at Edinburgh in 1781, but after a few months moved to Cambridge, where he devoted himself to botany and chemistry.

Cambridge

Cambridge, EnglandCambridge, UKCambridge, United Kingdom
He began to study medicine at Edinburgh in 1781, but after a few months moved to Cambridge, where he devoted himself to botany and chemistry.

Botany

botanistbotanicalplant biology
He began to study medicine at Edinburgh in 1781, but after a few months moved to Cambridge, where he devoted himself to botany and chemistry.

Chemistry

chemistchemicalApplied Chemistry
He began to study medicine at Edinburgh in 1781, but after a few months moved to Cambridge, where he devoted himself to botany and chemistry.

Doctor of Medicine

M.D.MDmedical degree
He graduated M.D. at Cambridge in 1796, and about the same time purchased an estate near Cheddar, where he carried out agricultural experiments.

Cheddar, Somerset

CheddarCheddar ValleyNyland
He graduated M.D. at Cambridge in 1796, and about the same time purchased an estate near Cheddar, where he carried out agricultural experiments.

Agriculture

farmingagriculturalAgriculturist
He graduated M.D. at Cambridge in 1796, and about the same time purchased an estate near Cheddar, where he carried out agricultural experiments.

American Elements

In 2006, American Elements discovered new technology allowing for the casting of seamless iridium rings for use in spacecraft and satellites.

Yorkshire and the Humber

Yorkshire and HumberYorkshireYorkshire and Humber region
Smithson Tennant born Selby, educated in Beverley, discovered osmium and iridium in 1803; the two are atomic numbers 76 and 77, with osmium being the densest naturally occurring element, and iridium is the next densest.