Trygve Helgaker (born August 11, 1953, in

Porsgrunn is a city and municipality in Telemark in the county of Vestfold og Telemark in Norway. It is part of the traditional region of Grenland. The administrative centre of the municipality is the city of Porsgrunn. The municipality of Porsgrunn w ...

Norway Norway, officially the Kingdom of Norway, is a Nordic country in Northern Europe, the mainland territory of which comprises the western and northernmost portion of the Scandinavian Peninsula. The remote Arctic island of Jan Mayen and the ...

) is professor of chemistry, Department of Chemistry,

University of Oslo The University of Oslo ( no, Universitetet i Oslo; la, Universitas Osloensis) is a public research university located in Oslo, Norway. It is the highest ranked and oldest university in Norway. It is consistently ranked among the top universit ...

, Norway. He is a member of the

International Academy of Quantum Molecular Science The International Academy of Quantum Molecular Science (IAQMS) is an international scientific learned society covering all applications of quantum theory to chemistry and chemical physics. It was created in Menton in 1967. The founding members we ...

, 2005. He has written more than 200 scientific papers, and the book, ''Molecular Electronic-Structure Theory'' (Trygve Helgaker, Poul Jørgensen, and Jeppe Olsen, Wiley, Chichester, 2000). He is one of the main authors of the

DALTON Dalton may refer to: Science * Dalton (crater), a lunar crater * Dalton (program), chemistry software * Dalton (unit) (Da), the atomic mass unit * John Dalton, chemist, physicist and meteorologist Entertainment * Dalton (Buffyverse), minor ch ...

program.

References

His International Academy of Quantum Molecular Science page
Living people 1953 births Norwegian chemists Theoretical chemists Members of the International Academy of Quantum Molecular Science People from Porsgrunn Royal Norwegian Society of Sciences and Letters {{chemist-stub