Åke Anders Edvard Wallenquist (January 16, 1904 – April 8, 1994) was a Swedish

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 ...

. He worked at the

Dutch Dutch or Nederlands commonly refers to: * Something of, from, or related to the Netherlands ** Dutch people as an ethnic group () ** Dutch nationality law, history and regulations of Dutch citizenship () ** Dutch language () * In specific terms, i ...

Bosscha Observatory Bosscha Observatory is the oldest modern observatory in Indonesia, and one of the oldest in Asia. The observatory is located in Lembang, West Bandung Regency, West Java, approximately north of Bandung. It is situated on a hilly six hectares of la ...

Indonesia Indonesia, officially the Republic of Indonesia, is a country in Southeast Asia and Oceania, between the Indian Ocean, Indian and Pacific Ocean, Pacific oceans. Comprising over List of islands of Indonesia, 17,000 islands, including Sumatra, ...

between 1928 and 1935, and became assistant professor at

Uppsala Uppsala ( ; ; archaically spelled ''Upsala'') is the capital of Uppsala County and the List of urban areas in Sweden by population, fourth-largest city in Sweden, after Stockholm, Gothenburg, and Malmö. It had 177,074 inhabitants in 2019. Loc ...

's Kvistabergs Observatorium (Kvistaberg Observatory) in 1948. He worked originally on

double star In observational astronomy, a double star or visual double is a pair of stars that appear close to each other as viewed from Earth, especially with the aid of optical telescopes. This occurs because the pair either forms a binary star (i.e. a ...

s but it was the

open star cluster An open cluster is a type of star cluster made of tens to a few thousand stars that were formed from the same giant molecular cloud and have roughly the same age. More than 1,100 open clusters have been discovered within the Milky Way galaxy, and ...

s and their properties that became his main area of research. Wallenquist was a very active member of both the

Royal Swedish Academy of Sciences The Royal Swedish Academy of Sciences () is one of the Swedish Royal Academies, royal academies of Sweden. Founded on 2 June 1739, it is an independent, non-governmental scientific organization that takes special responsibility for promoting nat ...

Stockholm Stockholm (; ) is the Capital city, capital and List of urban areas in Sweden by population, most populous city of Sweden, as well as the List of urban areas in the Nordic countries, largest urban area in the Nordic countries. Approximately ...

and the Royal Swedish Society of Sciences in Uppsala. From the 1950s onwards, he was the leading writer of popular astronomy in Sweden among the professional astronomers. His books inspired generations of young people to become interested in astronomy. Asteroid 2114 Wallenquist was named in his honour.

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Åke Wallenquist (1904-1994)
1904 births 1994 deaths 20th-century Swedish astronomers Discoverers of asteroids Members of the Royal Swedish Academy of Sciences {{Europe-astronomer-stub