Ottar Nicolai Grønvik 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...

 philologist and runology

Runology

Runology is the study of the Runic alphabets, Runic inscriptions and their history. Runology forms a specialized branch of Germanic linguistics.-History:...

 scholar.

He was a lecturer from 1959 and associate professor from 1965 to 1986, at the University of Oslo

University of Oslo

The University of Oslo , formerly The Royal Frederick University , is the oldest and largest university in Norway, situated in the Norwegian capital of Oslo. The university was founded in 1811 and was modelled after the recently established University of Berlin...

. His doctorate thesis which earned him the dr.philos. degre in 1981 was Runene på Tunesteinen. He was best known for his work on the runic alphabet

Runic alphabet

The runic alphabets are a set of related alphabets using letters known as runes to write various Germanic languages before the adoption of the Latin alphabet and for specialized purposes thereafter...

 and various runestones, especially the Tune Runestone, the Rök Runestone

Rök Runestone

The Rök Runestone is one of the most famous runestones, featuring the longest known runic inscription in stone. It can now be seen by the church in Rök , Östergötland, Sweden...

 and the Eggjum stone

Eggjum stone

The Eggja stone , listed as N KJ101 in the Rundata catalog, is a grave stone with a runic inscription that was ploughed up in 1917 on the farm Eggja in Sogndal, Sogn og Fjordane county, Norway.-Description:...

.