Roar Tank

{{Short description|Norwegian educator and historian}}

Roar Tank (27 June 1880 – 29 October 1957) was a Norwegian educator and local historian.{{cite web|url=http://nbl.snl.no/Roar_Tank|title=Roar Tank|first=Terje|last=Bratberg|date=28 September 2014|publisher=|via=Store norske leksikon}}{{cite web|url=http://snl.no/Roar_Tank|title=Roar Tank|first=Gunnar Christie|last=Wasberg|date=2 May 2017|publisher=|via=Store norske leksikon}}

Roar Tank was the son of the historian Yngvar Nielsen. He worked as a teacher and acting headmaster at the Latin school of Drammen. Like his father, he published many travel books, published in Norwegian, German, French, and English. He also wrote local history books about Modum and Jarlsberg and his father's biography Idyll og arbeidsår. He also wrote two chapters of Småskrifter for bokvenner.