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

Swedish Swedish or ' may refer to: Anything from or related to Sweden, a country in Northern Europe. Or, specifically: * Swedish language, a North Germanic language spoken primarily in Sweden and Finland ** Swedish alphabet, the official alphabet used by ...

–

Danish Danish may refer to: * Something of, from, or related to the country of Denmark People * A national or citizen of Denmark, also called a "Dane," see Demographics of Denmark * Culture of Denmark * Danish people or Danes, people with a Danish ance ...

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

. Strömgren was born in 1870 in

Helsingborg Helsingborg (, , , ) is a city and the seat of Helsingborg Municipality, Scania (Skåne), Sweden. It is the second-largest city in Scania (after Malmö) and ninth-largest in Sweden, with a population of 113,816 (2020). Helsingborg is the cent ...

, in the

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

province of

Sweden Sweden, formally the Kingdom of Sweden,The United Nations Group of Experts on Geographical Names states that the country's formal name is the Kingdom of SwedenUNGEGN World Geographical Names, Sweden./ref> is a Nordic country located on ...

. He received his doctorate at

Lund University , motto = Ad utrumque , mottoeng = Prepared for both , established = , type = Public research university , budget = SEK 9 billion docent The title of docent is conferred by some European universities to denote a specific academic appointment within a set structure of academic ranks at or below the full professor rank, similar to a British readership, a French " ''maître de conf ...

there the same year. He worked at the

University of Kiel Kiel University, officially the Christian-Albrecht University of Kiel, (german: Christian-Albrechts-Universität zu Kiel, abbreviated CAU, known informally as Christiana Albertina) is a university in the city of Kiel, Germany. It was founded in ...

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 Leibniz Institute for Astrophysics Potsdam (AIP) is a German research institute. It is the successor of the Berlin Observatory founded in 1700 and of the Astrophysical Observatory Potsdam (AOP) founded in 1874. The latter was the world's first o ...

. He became Professor of Astronomy and director of the

Copenhagen Observatory Copenhagen ( or .; da, København ) is the capital and most populous city of Denmark, with a proper population of around 815.000 in the last quarter of 2022; and some 1.370,000 in the urban area; and the wider Copenhagen metropolitan ar ...

of the

University of Copenhagen The University of Copenhagen ( da, Københavns Universitet, KU) is a prestigious public university, public research university in Copenhagen, Copenhagen, Denmark. Founded in 1479, the University of Copenhagen is the second-oldest university in ...

in 1907. He died in

Copenhagen Copenhagen ( or .; da, København ) is the capital and most populous city of Denmark, with a proper population of around 815.000 in the last quarter of 2022; and some 1.370,000 in the urban area; and the wider Copenhagen metropolitan ar ...

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, when passing close to the Sun, warms and begins to release gases, a process that is called outgassing. This produces a visible atmosphere or coma, and sometimes also a tail. These phenomena ar ...

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 was designed and calculated by Jens Olsen (1872–1945), who was a skilled locksmith, and later learned the trade of ...

after 1928. His spouse, the dentist and writer Hedvig Lidforss (1877–1967), was daughter of the philologist Edvard Lidforss in Lund, and sister of the publicist and botanist

Bengt Lidforss Bengt Lidforss (15 September 186823 September 1913) was a prominent Swedish socialist, antisemite, and an accomplished natural scientist and writer. Biography Lidforss was born in Lund, Sweden, and died there. He studied botany and biology at ...

. 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 ''Nordisk familjebok'' (, "Nordic Family Book") is a 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. Despite their consi ...

{{DEFAULTSORT:Stromgren, Elis 1870 births 1947 deaths 19th-century Swedish astronomers 20th-century Danish astronomers Danish people of Swedish descent People from Helsingborg