Hallstein Tormod Høgåsen (born 21 August 1937) is a Norwegian

theoretical physicist Theoretical physics is a branch of physics that employs mathematical models and abstractions of physical objects and systems to rationalize, explain, and predict natural phenomena. This is in contrast to experimental physics, which uses experi ...

. He was born in

Nord-Fron Nord-Fron is a List of municipalities of Norway, municipality in Innlandet county, Norway. It is located in the Traditional districts of Norway, traditional district of Gudbrandsdal. The administrative centre of the municipality is the town of Vi ...

and grew up mostly in

Vågå Vågå () is a List of municipalities of Norway, municipality in Innlandet county, Norway. It is located in the Traditional districts of Norway, traditional district of Gudbrandsdal. The administrative centre of the municipality is the village of ...

. He finished his secondary education at

Vinstra Vinstra is a List of towns and cities in Norway, town in Nord-Fron Municipality in Innlandet county, Norway. The town is the administrative centre of the municipality. The town is located in the Gudbrandsdalen valley, at the confluence of the Gu ...

Upper Secondary School in 1955. He took the cand.real. degree at the

University of Oslo The University of Oslo (; ) is a public university, public research university located in Oslo, Norway. It is the List of oldest universities in continuous operation#Europe, oldest university in Norway. Originally named the Royal Frederick Univ ...

in 1960 and the dr.techn. degree at the

Norwegian Institute of Technology The Norwegian Institute of Technology ( Norwegian: ''Norges tekniske høgskole'', NTH) was a science institute in Trondheim, Norway. It was established in 1910, and existed as an independent technical university for 58 years, after which it was ...

in 1964. He was appointed as a

docent The term "docent" is derived from the Latin word , which is the third-person plural present active indicative of ('to teach, to lecture'). Becoming a docent is often referred to as habilitation or doctor of science and is an academic qualifi ...

at the University of Oslo in 1969 and professor of

theoretical physics Theoretical physics is a branch of physics that employs mathematical models and abstractions of physical objects and systems to rationalize, explain, and predict List of natural phenomena, natural phenomena. This is in contrast to experimental p ...

in 1984. His main field has been

elementary particle physics Particle physics or high-energy physics is the study of fundamental particles and forces that constitute matter and radiation. The field also studies combinations of elementary particles up to the scale of protons and neutrons, while the stud ...

. Høgåsen has been affiliated to many universities and research institutes, among others

Niels Bohr Institute The Niels Bohr Institute () is a research institute of the University of Copenhagen. The research of the institute spans astronomy, geophysics, nanotechnology, particle physics, quantum mechanics, and biophysics. Overview The institute was foun ...

Copenhagen Copenhagen ( ) is the capital and most populous city of Denmark, with a population of 1.4 million in the Urban area of Copenhagen, urban area. The city is situated on the islands of Zealand and Amager, separated from Malmö, Sweden, by the ...

CERN The European Organization for Nuclear Research, known as CERN (; ; ), is an intergovernmental organization that operates the largest particle physics laboratory in the world. Established in 1954, it is based in Meyrin, western suburb of Gene ...

Geneva Geneva ( , ; ) ; ; . is the List of cities in Switzerland, second-most populous city in Switzerland and the most populous in French-speaking Romandy. Situated in the southwest of the country, where the Rhône exits Lake Geneva, it is the ca ...

University of Paris The University of Paris (), known Metonymy, metonymically as the Sorbonne (), was the leading university in Paris, France, from 1150 to 1970, except for 1793–1806 during the French Revolution. Emerging around 1150 as a corporation associated wit ...

and the

State University of New York The State University of New York (SUNY ) is a system of Public education, public colleges and universities in the New York (state), State of New York. It is one of the List of largest universities and university networks by enrollment, larges ...

. He is a fellow of the

Norwegian Academy of Science and Letters The Norwegian Academy of Science and Letters (, DNVA) is a learned society based in Oslo, Norway. Its purpose is to support the advancement of science and scholarship in Norway. History The Royal Frederick University in Christiania was establis ...

since 1975 and the

Royal Norwegian Society of Sciences and Letters The Royal Norwegian Society of Sciences and Letters (, DKNVS) is a Norway, Norwegian learned society based in Trondheim. It was founded in 1760 and is Norway's oldest scientific and scholarly institution. The society's Protector is King Harald V of ...

since 1984. He is also active in the Norwegian Pugwash committee. He has resided at

Oslo Oslo ( or ; ) is the capital and most populous city of Norway. It constitutes both a county and a municipality. The municipality of Oslo had a population of in 2022, while the city's greater urban area had a population of 1,064,235 in 2022 ...

Paris Paris () is the Capital city, capital and List of communes in France with over 20,000 inhabitants, largest city of France. With an estimated population of 2,048,472 residents in January 2025 in an area of more than , Paris is the List of ci ...

Slependen Slependen is a relatively large area in Bærum, Norway. On Slependen there is significant villa settlement, as well as considerable office and commercial activities. As of 2025, it has an approximate population of 7,940 residents. Building develo ...

and

Korsvoll Korsvoll is an area in the borough Nordre Aker in Oslo, Norway. The area is located between the areas Brekke and Nordberg, northwest of the old industrial area Nydalen. The area borders on the forest area Nordmarka, and is a popular residential ...

References

1937 births Living people People from Nord-Fron People from Vågå University of Oslo alumni Norwegian Institute of Technology alumni Academic staff of the University of Oslo Norwegian physicists Members of the Norwegian Academy of Science and Letters Royal Norwegian Society of Sciences and Letters Norwegian anti–nuclear weapons activists People associated with CERN {{Norway-academic-bio-stub