Einfrid Perstølen is a Norwegian psychiatrist and language proponent.

She was born in Ål

Ål

Ål is a municipality in Buskerud county, Norway. It is part of the traditional region of Hallingdal. The administrative centre of the municipality is the village of Ål....

, and was a specialist in child psychiatry. She was an assisting chief physician in Oslo

Oslo

Oslo is a municipality, as well as the capital and most populous city in Norway. As a municipality , it was established on 1 January 1838. Founded around 1048 by King Harald III of Norway, the city was largely destroyed by fire in 1624. The city was moved under the reign of Denmark–Norway's King...

 from 1961 to 1972, and then ran a private clinic. She made frequent appearances in Norwegian radio. She settled in Asker

Asker

Asker is a municipality in Akershus county, Norway. It is part of the Viken traditional region. The administrative centre of the municipality is the village of Asker. The municipality is a suburb of Oslo, the national capital...

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Perstølen was a proponent of the Nynorsk

Nynorsk

Nynorsk or New Norwegian is one of two official written standards for the Norwegian language, the other being Bokmål. The standard language was created by Ivar Aasen during the mid-19th century, to provide a Norwegian alternative to the Danish language which was commonly written in Norway at the...

 written form of Norwegian. She was a member of the board of Noregs Mållag

Noregs Mållag

Noregs Mållag is the main organisation for Norwegian Nynorsk , one of the two official written standards of the Norwegian language. In the Norwegian language struggle, it advocates the use of Nynorsk...

 from 1966 to 1971, and a member of the Norwegian Language Council

Norwegian Language Council

The Norwegian Language Council was the regulation authority for the Norwegian language. It has been superseded by The Language Council of Norway .The council had 38 members, and created lists of acceptable word forms...

 from 1976 to 1984. She is known for pressuring the Bank of Norway to print Nynorsk tekst together with Bokmål

Bokmål

Bokmål is one of two official Norwegian written standard languages, the other being Nynorsk. Bokmål is used by 85–90% of the population in Norway, and is the standard most commonly taught to foreign students of the Norwegian language....

 on Norwegian krone

Norwegian krone

The krone is the currency of Norway and its dependent territories. The plural form is kroner . It is subdivided into 100 øre. The ISO 4217 code is NOK, although the common local abbreviation is kr. The name translates into English as "crown"...

 bills, particularly through a series of letters to the Governor of the Bank of Norway, Knut Getz Wold

Knut Getz Wold

Knut Getz Wold is a Norwegian economist and civil servant, who served as the Governor of the Central Bank of Norway from 1970 to 1985....

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