Svante Elis Strömgren was a Swedish

Sweden

Sweden , officially the Kingdom of Sweden , is a Nordic country on the Scandinavian Peninsula in Northern Europe. Sweden borders with Norway and Finland and is connected to Denmark by a bridge-tunnel across the Öresund....

-Danish

Denmark

Denmark is a Scandinavian country in Northern Europe. The countries of Denmark and Greenland, as well as the Faroe Islands, constitute the Kingdom of Denmark . It is the southernmost of the Nordic countries, southwest of Sweden and south of Norway, and bordered to the south by Germany. Denmark...

 astronomer

Astronomer

An astronomer is a scientist who studies celestial bodies such as planets, stars and galaxies.Historically, astronomy was more concerned with the classification and description of phenomena in the sky, while astrophysics attempted to explain these phenomena and the differences between them using...

.

Strömgren was born in 1870 in Helsingborg

Helsingborg

Helsingborg is a city and the seat of Helsingborg Municipality, Skåne County, Sweden with 97,122 inhabitants in 2010. Helsingborg is the centre of an area in the Øresund region of about 320,000 inhabitants in north-west Scania, and is Sweden's closest point to Denmark, with the Danish city...

, Scania. He received his doctorate at Lund University

Lund University

Lund University , located in the city of Lund in the province of Scania, Sweden, is one of northern Europe's most prestigious universities and one of Scandinavia's largest institutions for education and research, frequently ranked among the world's top 100 universities...

 in 1898, becoming docent

Docent

Docent is a title at some European universities to denote a specific academic appointment within a set structure of academic ranks below professor . Docent is also used at some universities generically for a person who has the right to teach...

 there the same year. He worked at the University of Kiel

University of Kiel

The University of Kiel is a university in the city of Kiel, Germany. It was founded in 1665 as the Academia Holsatorum Chiloniensis by Christian Albert, Duke of Holstein-Gottorp and has approximately 23,000 students today...

 from 1901, and assisted in the publication of Astronomische Nachrichten

Astronomische Nachrichten

Astronomische Nachrichten , one of the first international journals in the field of astronomy, was founded in 1821 by the German astronomer Heinrich Christian Schumacher. It claims to be the oldest astronomical journal in the world that is still being published...

 from 1901 to 1904. He became Professor of Astronomy and director of the Copenhagen Observatory of the University of Copenhagen

University of Copenhagen

The University of Copenhagen is the oldest and largest university and research institution in Denmark. Founded in 1479, it has more than 37,000 students, the majority of whom are female , and more than 7,000 employees. The university has several campuses located in and around Copenhagen, with the...

 in 1907. He died in Copenhagen

Copenhagen

Copenhagen is the capital and largest city of Denmark, with an urban population of 1,199,224 and a metropolitan population of 1,930,260 . With the completion of the transnational Øresund Bridge in 2000, Copenhagen has become the centre of the increasingly integrating Øresund Region...

 in 1947.

Strömgren worked in a variety of fields but was particularly interested in theoretical astronomy

Theoretical astronomy

Based on strict dictionary definitions, "astronomy" refers to "the study of objects and matter outside the Earth's atmosphere and of their physical and chemical properties" In some cases, as in the introduction of the introductory textbook The Physical Universe by Frank Shu, "astronomy" may be used...

 and celestial mechanics

Celestial mechanics

Celestial mechanics is the branch of astronomy that deals with the motions of celestial objects. The field applies principles of physics, historically classical mechanics, to astronomical objects such as stars and planets to produce ephemeris data. Orbital mechanics is a subfield which focuses on...

, publishing works on the origin and orbits of comet

Comet

A comet is an icy small Solar System body that, when close enough to the Sun, displays a visible coma and sometimes also a tail. These phenomena are both due to the effects of solar radiation and the solar wind upon the nucleus of the comet...

s. He also worked on the calculations for Jens Olsen's World Clock

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 who was a skilled locksmith, but later learned the trade of clockmaking...

 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

Bengt Lidforss was a prominent Swedish socialist, and an accomplished natural scientist and writer.- Biography :...

. Elis Strömgren's son was the astronomer Bengt Strömgren

Bengt Strömgren

Bengt Georg Daniel Strömgren was a Danish astronomer and astrophysicist.Bengt Strömgren was born in Gothenburg. His parents were Hedvig Strömgren and Svante Elis Strömgren, who was professor of astronomy at the University of Copenhagen and director of the University Observatory in Copenhagen...

, who succeeded his father in Copenhagen in 1940.

External links

• Biography of Elis Strömgren
• Biography in Nordisk familjebok
  Nordisk familjebok
  Nordisk familjebok is a Swedish encyclopedia, published between 1876 and 1957.- History :The first edition was published in 20 volumes between 1876 and 1899. The first edition is known as the "Iðunn edition" because of the picture of Iðunn on the cover...