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Per Teodor Cleve

 

 
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Per Teodor Cleve
 
 
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Per Teodor Cleve (Stockholm
Stockholm

is the capital and largest city of Sweden. It is the site of the national Swedish Government of Sweden, the Parliament of Sweden, and the official residence of the Swedish Monarchy of Sweden....
 10 February 1840 – Uppsala
Uppsala

Uppsala is the capital of Uppsala County and the fourth largest Cities of Sweden of Sweden with 128,409 inhabitants.Located about 70 km north of the capital Stockholm, it is also the seat of the Uppsala municipality ....
 18 June 1905) was a Swedish
Sweden

Sweden , officially the Kingdom of Sweden , is a Nordic countries on the Scandinavian Peninsula in Northern Europe. Sweden has land borders with Norway to the west and Finland to the northeast, and it is connected to Denmark by the ?resund Bridge in the south....
 chemist
Chemist

A chemist is a scientist trained in the science of chemistry. Chemists study the composition of matter and its properties such as density, acidity, size and shape....
 and geologist
Geologist

For other uses, see Geologist .A geologist is a contributor to the science of geology, studying the physical structure and processes of the Earth and planets of the solar system ....
.

After graduating from the Stockholm Gymnasium
Gymnasium (school)

A gymnasium is a type of school providing secondary education in some parts of Europe, comparable to English Grammar schools in the United Kingdoms or sixth form colleges and U.S....
 in 1858, Cleve matriculated at the University of Uppsala
Uppsala University

Uppsala University is a world-class research university in Uppsala, Sweden. Founded as early as 1477, it is the oldest such institution in the Nordic countries and is frequently ranked among the world's top 100 universities....
 in May 1858, where he received his Ph.D. in 1863. After employment with the university in Uppsala and travels in Europe and North America, he received a professorship of general and agricultural chemistry in Uppsala in 1874.

Cleve discovered the elements holmium
Holmium

Holmium is a chemical element with the symbol Ho and atomic number 67. Part of the lanthanide series, holmium is a relatively soft and malleable silvery-white metallic element, which is stable in dry air at room temperature....
 and thulium
Thulium

Thulium is a chemical element that has the symbol Tm and atomic number 69. A lanthanide element, thulium is the least abundant of the Rare earth elements....
 in 1879.






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Per Teodor Cleve (Stockholm
Stockholm

is the capital and largest city of Sweden. It is the site of the national Swedish Government of Sweden, the Parliament of Sweden, and the official residence of the Swedish Monarchy of Sweden....
 10 February 1840 – Uppsala
Uppsala

Uppsala is the capital of Uppsala County and the fourth largest Cities of Sweden of Sweden with 128,409 inhabitants.Located about 70 km north of the capital Stockholm, it is also the seat of the Uppsala municipality ....
 18 June 1905) was a Swedish
Sweden

Sweden , officially the Kingdom of Sweden , is a Nordic countries on the Scandinavian Peninsula in Northern Europe. Sweden has land borders with Norway to the west and Finland to the northeast, and it is connected to Denmark by the ?resund Bridge in the south....
 chemist
Chemist

A chemist is a scientist trained in the science of chemistry. Chemists study the composition of matter and its properties such as density, acidity, size and shape....
 and geologist
Geologist

For other uses, see Geologist .A geologist is a contributor to the science of geology, studying the physical structure and processes of the Earth and planets of the solar system ....
.

After graduating from the Stockholm Gymnasium
Gymnasium (school)

A gymnasium is a type of school providing secondary education in some parts of Europe, comparable to English Grammar schools in the United Kingdoms or sixth form colleges and U.S....
 in 1858, Cleve matriculated at the University of Uppsala
Uppsala University

Uppsala University is a world-class research university in Uppsala, Sweden. Founded as early as 1477, it is the oldest such institution in the Nordic countries and is frequently ranked among the world's top 100 universities....
 in May 1858, where he received his Ph.D. in 1863. After employment with the university in Uppsala and travels in Europe and North America, he received a professorship of general and agricultural chemistry in Uppsala in 1874.

Cleve discovered the elements holmium
Holmium

Holmium is a chemical element with the symbol Ho and atomic number 67. Part of the lanthanide series, holmium is a relatively soft and malleable silvery-white metallic element, which is stable in dry air at room temperature....
 and thulium
Thulium

Thulium is a chemical element that has the symbol Tm and atomic number 69. A lanthanide element, thulium is the least abundant of the Rare earth elements....
 in 1879. Also, in 1874, he concluded that didymium
Didymium

Didymium is a mixture of the elements praseodymium and neodymium. It is used in eye protection for glassblowing and blacksmithing, especially when a gas powered forge is used, where it provides a filter which blocks the yellowish light emitted by the hot sodium in the glass, without having a detrimental effect on general vision, unlike dar...
 was in fact two elements, now known as neodymium
Neodymium

Neodymium is a chemical element with the symbol Nd and atomic number 60....
 and praseodymium
Praseodymium

Praseodymium is a chemical element that has the symbol Pr and atomic number 59....
.

He received the Davy Medal
Davy Medal

The Davy Medal is a bronze medal that has been awarded annually by London's Royal Society since 1877. Its recipient receives the medal "for an outstandingly important recent discovery in any branch of chemistry." The medal, with its accompanying purse of Pound Sterling1,000, is named after the nineteenth-century chemist, Humphry Davy....
 of the Royal Society
Royal Society

The Royal Society of London for the Improvement of Natural Knowledge, known simply as the Royal Society, or even the Royal, is a learned society for science that was founded in 1660 and is considered by most to be the oldest such society still in existence....
 in 1894, "for his researches on the chemistry of the rare earths". The mineral cleveite
Cleveite

Cleveite is a radioactivity mineral containing uranium and found in Norway. It is an impure variety of uraninite, and has the composition UO2 with about 10% of the uranium substituted by rare earth elements....
 was named in 1878 by the geologist and explorer Adolf Erik Nordenskiöld
Adolf Erik Nordenskiöld

Baron Adolf Erik Nordenski?ld , also known as A. E. Nordenskioeld was a Finland geologist, mineralogist and arctic explorer and a member of the prominent Finland-Swedish Nordenski?ld noble family of scientists....
 in his honour.

Cleve was the father of the botanist and chemist
Chemist

A chemist is a scientist trained in the science of chemistry. Chemists study the composition of matter and its properties such as density, acidity, size and shape....
 Astrid Cleve
Astrid Cleve

Astrid M. Cleve von Euler was a Sweden botanist, geologist, chemist and researcher at Uppsala University. She was the first female in Sweden to obtain a doctoral degree of science....
 and the grandfather of her son, Ulf von Euler
Ulf von Euler

Ulf Svante von Euler was a Swedish Physiology and pharmacologist. He won a Nobel Prize in Physiology or Medicine in 1970 for his work on neurotransmitters....
, a Nobel prize
Nobel Prize

The Nobel Prize , established in the 1895 will of Swedish chemist Alfred Nobel; it was first awarded in Nobel Prize in Physics, Nobel Prize in Chemistry, Nobel Prize in Physiology or Medicine, Nobel Prize in Literature, and Nobel Peace Prize in 1901....
 winner, physiologist and pharmacologist.

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