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{{Infobox scientist
| name        = Niels Ryberg Finsen 
| image       = Niels_ryberg.jpg
| imagesize   =  180px
| birth_date  = December 15, 1860
| birth_place = [[Tórshavn]], [[Faroe Islands]]
| death_date  = {{death date and age|1904|9|24|1860|12|15}}
| death_place = [[Copenhagen]], [[Denmark]]
| prizes      =  [[Nobel Prize in Physiology or Medicine]] (1903) 
}}

'''Niels Ryberg Finsen''' (December 15, 1860 &ndash; September 24, 1904) was a [[Denmark|Danish]]/[[Faroe Islands|Faroese]]/[[Iceland]]ic [[physician]] and [[scientist]]. In 1903 he became the first [[Denmark|Danish]] [[Nobel laureate]]. He was awarded the [[Nobel Prize]] in [[Nobel Prize in Physiology or Medicine|Medicine and Physiology]] "in recognition of his contribution to the treatment of diseases, especially [[lupus vulgaris]], with concentrated [[light therapy|light radiation]], whereby he has opened a new avenue for medical science."<ref>[http://nobelprize.org/medicine/laureates/1903/index.html Medicine 1903<!-- bot-generated title -->] at nobelprize.org</ref>

==Biography==
Niels Finsen was born in [[Tórshavn]], [[Faroe Islands]], as the 2nd oldest of four children of [[Hannes Steingrim Finsen]] who belonged to an Icelandic family with traditions reaching back to the 10th century, and Johanne Fröman, who was born and raised in Iceland.<ref name = "nobel">http://nobelprize.org/nobel_prizes/medicine/laureates/1903/finsen-bio.html</ref> The family had moved to [[Tórshavn]] from [[Iceland]] in 1858 when his father was given the position of [[Landfoged]] of the [[Faroe Islands]]. In 1864 when Niels was four years old his mother died, and his father remarried his mother's cousin Birgitte Kirstine Formann, with whom he had six children. In 1871 his father was made [[prefect|Amtmann]] of the [[Faroe Islands]]. Niels Finsen got his early education in [[Tórshavn]], but in 1874 he was sent to the Danish [[Boarding school]] [[Herlufsholm kostskole|Herlufsholm]], where his older brother Olaf Finsen was also a student. Unlike Olaf, Niels had a very difficult stay at Herlufsholm, culminating with a statement from the Principal which claimed Niels to be "a boy of good heart but low skills and energy",{{Citation needed|date=July 2010}} a statement that stands in sharp contrast with Niels Finsen's later work and research. As a consequence of his low grades, he was enrolled in his father's old school, [[Menntaskólinn í Reykjavík|Lærði skólinn]], in [[Reykjavík]] in 1876. While studying there, his grades improved greatly.

===Studies in medicine===
In 1882, Niels Finsen moved to [[Copenhagen]] to study medicine at the [[University of Copenhagen]], from which he graduated in 1890. Following graduation, he became a [[prosector]] of [[anatomy]] at the [[University of Copenhagen]]. After three years, he quit this post to devote himself fully to his scientific studies. In 1898 Finsen was given a [[professorship]] and in 1899 he became a [[Order of the Dannebrog|Knight of the Order of Dannebrog]].

The [[Finsen Institute]] was founded in 1896, with Niels Finsen as its director. It was later merged into [[Rigshospitalet|Copenhagen University Hospital]] and currently serves as a [[cancer research laboratory]] that specializes in [[proteolysis]].

Finsen is best known for his theory of [[Phototherapy]], that wavelengths of light can have beneficial medical effects. His most notable writings were ''Finsen Om Lysets Indvirkninger paa Huden'' (On the effects of light on the skin), published in 1893 and ''Om Anvendelse i Medicinen af koncentrerede kemiske Lysstraaler'' (The use of concentrated chemical light rays in medicine) of 1896. These were rapidly translated into German, and his work was published as ''La Photothérapie'' in French. In his late work he researched the effects of [[salt]], observing the results of a low sodium diet, which he published in 1904 as ''En Ophobning af Salt i Organismen'' (An accumulation of salt in the organism).<ref name = "nobel"/>

===Personal life===
In 1889, Niels Finsen became engaged to Ingeborg Balslev (1868–1963); they were married on 29 December 1892. From the mid 1880s and onward, Niels Finsen's health began to fail. He had symptoms of heart trouble and suffered from [[ascites]] and general weakness. This sickness disabled his body but not his mind, and from his wheelchair, he continued to make great contributions to medicine.

==Memorials==
The [[Finsen Laboratory]] at [[Copenhagen University Hospital]] is named in his honor, and in [[Tórshavn]] there is a memorial to Niels Finsen, as well as one of the city's main streets bearing his name. A monument to Finsen designed by the sculptor [[Rudolph Tegner]] was installed in Copenhagen in 1909. It shows a standing naked man flanked by two kneeling naked women, reaching up to the sky. The sculpture was entitled ''Mod lyset'' (Towards the Light), and symbolised Finsen's principal scientific theory, that sunlight can have healing properties.<ref>[http://www.tegnersvenner.dk/eftertid_d/data25.htm Tegner Museum, Reaching towards the light]</ref>

==References==
{{Reflist}}
==External links==
{{commons}}
* [http://nobelprize.org/medicine/laureates/1903/finsen-bio.html Biography from the Nobel Foundation]
* [http://www.uh.edu/engines/epi1769.htm Niels Finsen, an engine of our ingenuity]
* [http://www.rostra.dk/louis/andreart/Niels_Finsen.html An extensive biography on Niels Finsen (in Danish only)]
* [http://www.finsenlab.dk/ The Finsen Institute at Copenhagen University Hospital]

{{Nobel Prize in Physiology or Medicine Laureates 1901-1925}}

{{DEFAULTSORT:Finsen, Niels Ryberg}}
[[Category:1860 births]]
[[Category:1904 deaths]]
[[Category:Danish physicians]]
[[Category:Danish Nobel laureates]]
[[Category:Nobel laureates in Physiology or Medicine]]
[[Category:Faroese people]]
[[Category:Danish knights]]
[[Category:University of Copenhagen alumni]]
[[Category:Light therapy]]

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