Svante Elis Strömgren (31 May 1870 – 5 April 1947) was a Swedish– Danish

astronomer An astronomer is a scientist in the field of astronomy who focuses on a specific question or field outside the scope of Earth. Astronomers observe astronomical objects, such as stars, planets, natural satellite, moons, comets and galaxy, galax ...

. Strömgren was born in 1870 in

Helsingborg Helsingborg (, , ), is a Urban areas in Sweden, city and the seat of Helsingborg Municipality, Scania County, Scania (Skåne), Sweden. It is the second-largest city in Scania (after Malmö) and List of urban areas in Sweden by population, ninth ...

, in the

Scania Scania ( ), also known by its native name of Skåne (), is the southernmost of the historical provinces of Sweden, provinces () of Sweden. Located in the south tip of the geographical region of Götaland, the province is roughly conterminous w ...

province of

Sweden Sweden, formally the Kingdom of Sweden, is a Nordic countries, Nordic country located on the Scandinavian Peninsula in Northern Europe. It borders Norway to the west and north, and Finland to the east. At , Sweden is the largest Nordic count ...

. He received his doctorate at

Lund University Lund University () is a Public university, public research university in Sweden and one of Northern Europe's oldest universities. The university is located in the city of Lund in the Swedish province of Scania. The university was officially foun ...

in 1898, becoming

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 ...

there the same year. He worked at the

University of Kiel Kiel University, officially the Christian Albrecht University of Kiel, (, abbreviated CAU, known informally as Christiana Albertina) is a public research university in the city of Kiel, Germany. It was founded in 1665 as the ''Academia Holsator ...

from 1901, and assisted in the publication of

Astronomische Nachrichten ''Astronomische Nachrichten'' (''Astronomical Notes''), one of the first international journals in the field of astronomy, was established in 1821 by the German astronomer Heinrich Christian Schumacher. It claims to be the oldest astronomical jour ...

from 1901 to 1904.Image Archive - Svante Elis Strömgren
- Astrophysical Institute Potsdam. He became Professor of Astronomy and director of the

Copenhagen Observatory 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 ...

of the

University of Copenhagen The University of Copenhagen (, KU) is a public university, public research university in Copenhagen, Copenhagen, Denmark. Founded in 1479, the University of Copenhagen is the second-oldest university in Scandinavia, after Uppsala University. ...

in 1907. He died in

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 ...

in 1947. The minor planet 1422 Strömgrenia was named in his honour. Strömgren worked in a variety of fields but was particularly interested in

theoretical astronomy Theoretical astronomy is the use of analytical and computational models based on principles from physics and chemistry to describe and explain astronomical objects and astronomical phenomena. Theorists in astronomy endeavor to create theoretical ...

and

celestial mechanics Celestial mechanics is the branch of astronomy that deals with the motions of objects in outer space. Historically, celestial mechanics applies principles of physics (classical mechanics) to astronomical objects, such as stars and planets, to ...

, publishing works on the origin and orbits of

comet A comet is an icy, small Solar System body that warms and begins to release gases when passing close to the Sun, a process called outgassing. This produces an extended, gravitationally unbound atmosphere or Coma (cometary), coma surrounding ...

s. He also worked on the calculations for

Jens Olsen's World Clock Jens Olsen's World Clock or Verdensur is an advanced astronomical clock which is displayed in Copenhagen City Hall. The clock consists of 12 movements which together have 15,448 parts. The clock is mechanical and must be wound once a week. Displ ...

after 1928. His spouse, the dentist and writer Hedvig Lidforss (1877–1967), was daughter of the philologist

Edvard Lidforss Edvard is a form of Edward and may refer to: * Edvard Askeland (born 1954), Norwegian jazz musician * Edvard Befring (born 1936), Norwegian educationalist * Edvard Beneš (1884–1948), Czech politician * Edvard Christian Danielsen (1888–1964 ...

in Lund, and sister of the publicist and botanist Bengt Lidforss. Elis Strömgren's sons were the astronomer

Bengt Strömgren Bengt Georg Daniel Strömgren (21 January 1908 – 4 July 1987) was a Danish astronomer and astrophysicist. Life and career Bengt Strömgren was born in Gothenburg. His parents were Hedvig Strömgren (née Lidforss) and Elis Strömgren, wh ...

, who succeeded his father in Copenhagen in 1940 and Erik Strömgren notable danish psychiatrist.

References

External links

*
Biography of Elis Strömgren

in

Nordisk familjebok (, 'Nordic Family Book') is a Swedish language, Swedish encyclopedia that was published in print from between 1876 and 1993, and that is now fully available in digital form via Project Runeberg at Linköping University. The public domain edit ...

{{DEFAULTSORT:Stromgren, Elis 1870 births 1947 deaths 19th-century Swedish astronomers 20th-century Danish astronomers Swedish emigrants to Denmark People from Helsingborg