Fridtjof Knutsen was a Norwegian

Norway

Norway , officially the Kingdom of Norway, is a Nordic unitary constitutional monarchy whose territory comprises the western portion of the Scandinavian Peninsula, Jan Mayen, and the Arctic archipelago of Svalbard and Bouvet Island. Norway has a total area of and a population of about 4.9 million...

 journalist and crime novelist.

He was born in Harstad

Harstad

is the second largest city and municipality by population, in Troms county, Norway – the city is also the third largest in North Norway. Thus Harstad is the natural centre for its district. Situated approximately north of the Arctic Circle, the city celebrated its 100th anniversary in...

, and was married to Lalli Knutsen. Their daughter Mette Knutsen

Mette Newth

Mette Cecilie Newth is a Norwegian illustrator, author of children's literature, and organizer.-Personal life:Mette Newth was born in Oslo as the daughter of journalist, crime writer and revue writer Fridtjof Knutsen and his wife Alfhild Gundersen...

 married Philip Newth

Philip Newth

Philip Newth is a Anglo-Norwegian author of children's literature. He has written more than fifty books, including books for deaf and blind children.-Personal life:...

 and had the son Eirik Newth

Eirik Newth

Eirik Newth is a Norwegian astrophysicist, writer of popular science for children, and media personality.He received the Brage Prize in 1996 for the children's book Jakten på sannheten....

.

Knutsen was a journalist in Dagsposten

Dagsposten

Dagsposten was a Norwegian newspaper, published in Trondheim in Sør-Trøndelag county.It was started on 2 October 1877 by Olai Olsen. He chose a connection with the liberal politician Johan Sverdrup, who later founded the Liberal Party. It soon became the largest newspaper in Central Norway...

from 1914, Morgenposten

Morgenposten

Morgenposten is a former Norwegian newspaper, issued in Oslo from 1861 to 1971. It was the largest newspaper in Norway from the 1870s until the early 1900s, when its name was Christiania Nyheds- og Avertissements-Blad, also nicknamed Sværta....

from, Tidens Tegn

Tidens Tegn

Tidens Tegn is a former Norwegian newspaper, issued in Oslo from 1910 to 1941.-Editors:The founder and first editor-in-chief of Tidens Tegn was Ola Thommessen, who edited the newspaper until 1917. Thommessen had recently left the editor chair of Verdens Gang in protest, bringing much of Verdens...

from 1917 and Aftenposten

Aftenposten

Aftenposten is Norway's largest newspaper. It retook this position in 2010, taking it from the tabloid Verdens Gang which had been the largest newspaper for several decades. It is based in Oslo. The morning edition, which is distributed across all of Norway, had a circulation of 250,179 in 2007...

from 1934. He specifically reported from court cases. Some years after his death he was also called one of "the three great criminal and police reporters 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...

", together with Georg Svendsen

Georg Svendsen

Georg "Mr. George" Svendsen was a Norwegian journalist and crime novelist.He was born in Eidanger, and started his journalistic career in Bratsberg-Demokraten before moving on to Demokraten where he was a subeditor. In 1921 he was hired in Fremtiden and replaced in Demokraten by Evald O....

 and Axel Kielland

Axel Kielland

Axel Kielland was a Norwegian journalist and playwright, born in Stavanger. He was married to actress Sonja Mjøen from 1932 to 1946. He worked for the newspaper Dagbladet from 1927. Among his plays was Hvis et folk vil leve from 1943, on the German occupation of Norway. The play was prohibited by...

.

Knutsen also wrote about 30 criminal novels, many together with his wife. Many were Norwegian adaptations of books originally written by Betty Cavanna, Berkeley Gray (Edwy Searles Brooks

Edwy Searles Brooks

Edwy Searles Brooks was a British novelist who also wrote under the pen-names Berkeley Gray, Victor Gunn, Rex Madison, and Carlton Ross. Brooks was born in Hackney, London...

), Carolyn Keene

Carolyn Keene

Carolyn Keene is the pseudonym of the authors of the Nancy Drew mystery stories and The Dana Girls mystery stories, both produced by the Stratemeyer Syndicate...

 (several people), Helen Louise Thorndyke (several people) and Clair Blank (Clarissa Mabel Blank Moyer). Knutsen also wrote about 30 revue

Revue

A revue is a type of multi-act popular theatrical entertainment that combines music, dance and sketches. The revue has its roots in 19th century American popular entertainment and melodrama but grew into a substantial cultural presence of its own during its golden years from 1916 to 1932...

s under the pseudonym Filius Kanuti. Non-fiction books include De tause vitner: av rettskjemiker Ch. Bruffs memoarer (1949, with Georg Svendsen).