Hector Frederik Estrup Jungersen (13 January 1854 – 6 March 1917) was a Danish

marine zoologist 01 or 01 may refer to: * The year 2001, or any year ending with 01 * The month of January * 1 (number) Music * ''01'' (Richard Müller album), 2001 * ''01'' (Urban Zakapa album), 2011 * ''01011001'', the seventh studio album from Arjen Anthony L ...

born in Dejbjerg (today part of

Ringkøbing-Skjern Municipality Ringkøbing-Skjern Municipality () is the largest municipality ( Danish, '' kommune'') in Denmark. It was formed on 1 January 2007 as part of the 2007 administrative reform from the former municipalities of Egvad, Holmsland, Ringkøbing, Skjer ...

) . In 1877 he obtained his degree in

zoology Zoology ( , ) is the scientific study of animals. Its studies include the anatomy, structure, embryology, Biological classification, classification, Ethology, habits, and distribution of all animals, both living and extinction, extinct, and ...

, and in 1889 his doctorate of sciences. From 1879 he taught classes at the ''

Metropolitanskolen Metropolitanskolen ("The Metropolitan School") was a school in Copenhagen, Denmark founded in 1209 by the Bishop , and for centuries one of the most prestigious schools in the country. History The school was founded in 1209 next to the Church of ...

'' (Metropolitan School) 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 ...

, where he served as an assistant professor from 1882 to 1899. During this time period (1886–1901) he was also a lecturer at the nearby '' Polytekniske Læreanstalt'' (Poly-technical College). In 1899 he succeeded

Christian Frederik Lütken Christian Frederik Lütken (; 7 October 1827, in Sorø – 6 February 1901), was a Danish zoologist and naturalist. In 1852, he resigned his commission as a lieutenant with the Danish army, and earned his master's degree in sciences the followi ...

(1827–1901) as professor of zoology and manager of the zoological museum (department of

vertebrates Vertebrates () are animals with a vertebral column (backbone or spine), and a cranium, or skull. The vertebral column surrounds and protects the spinal cord, while the cranium protects the brain. The vertebrates make up the subphylum Vertebra ...

) at 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 1912/13 he served as university rector. Jungersen was a proponent of evolutionary

comparative morphology Comparative anatomy is the study of similarities and differences in the anatomy of different species. It is closely related to evolutionary biology and phylogeny (the evolution of species). The science began in the classical era, continuing in t ...

, and is known for making significant contributions in the field of ichthyotomy (fish anatomy). In 1895–96 he participated as a senior zoologist in the " Ingolf Expedition" to waters near

Greenland Greenland is an autonomous territory in the Danish Realm, Kingdom of Denmark. It is by far the largest geographically of three constituent parts of the kingdom; the other two are metropolitan Denmark and the Faroe Islands. Citizens of Greenlan ...

and

Iceland Iceland is a Nordic countries, Nordic island country between the Atlantic Ocean, North Atlantic and Arctic Oceans, on the Mid-Atlantic Ridge between North America and Europe. It is culturally and politically linked with Europe and is the regi ...

, and afterwards carried out

taxonomic 280px, Generalized scheme of taxonomy Taxonomy is a practice and science concerned with classification or categorization. Typically, there are two parts to it: the development of an underlying scheme of classes (a taxonomy) and the allocation ...

investigations of marine fauna. From 1899 to 1917 he was chair of the Danish Natural History Society. He was the author of Volume I (

Reptiles Reptiles, as commonly defined, are a group of tetrapods with an ectothermic metabolism and Amniotic egg, amniotic development. Living traditional reptiles comprise four Order (biology), orders: Testudines, Crocodilia, Squamata, and Rhynchocepha ...

and

Amphibians Amphibians are ectothermic, anamniote, anamniotic, tetrapod, four-limbed vertebrate animals that constitute the class (biology), class Amphibia. In its broadest sense, it is a paraphyletic group encompassing all Tetrapod, tetrapods, but excl ...

''Krybdyr og Padder''
of the multi-volume series on Danish fauna, (''Danmarks fauna'', 1907). From the "Ingolf Expedition" he wrote an article on deep-sea marine life and its zoogeographical distribution. A number of his written works have been published in English.

Writings

* "On the appendices genitales in the

Greenland shark The Greenland shark (''Somniosus microcephalus''), also known as the gurry shark or grey shark, is a large shark of the family Somniosidae ("sleeper sharks"), closely related to the Pacific and southern sleeper sharks. Inhabiting the North Atl ...

, Somniosus microcephalus (Bl. Schn.), and other selachians", 1899 * " Pennatulida", 1904 * "Ichthyotomical contributions", 1908–1910 * "Ichthyotomical contributions. II. The structure of the

Aulostomidae The trumpetfishes are three species of highly specialized, tubularly-elongated marine fishes in the genus ''Aulostomus'', of the monogeneric family Aulostomidae. The trumpetfishes are members of the order Syngnathiformes, together with the Syngn ...

Syngnathidae The Syngnathidae is a family of fish which includes seahorses, pipefishes, and seadragons ('' Phycodurus'' and '' Phyllopteryx''). The name is derived from (), meaning "together", and (), meaning "jaw". The fused jaw is one of the traits that ...

and Solenostomidae", 1910 * "Chordeuma obesum, a new parasitic

Copepod Copepods (; meaning 'oar-feet') are a group of small crustaceans found in nearly every freshwater and saltwater habitat (ecology), habitat. Some species are planktonic (living in the water column), some are benthos, benthic (living on the sedimen ...

endoparasitic Parasitism is a close relationship between species, where one organism, the parasite, lives (at least some of the time) on or inside another organism, the host, causing it some harm, and is adapted structurally to this way of life. The ent ...

in asteronyx loveni M. Tr", 1914 * "The Alcyonaria of east-

", 1916 * " Anthomastus", 1927.WorldCat Identities
(bibliography)

References

Hector F.E. Jungersen , Gyldendal – Den Store Danske
{{DEFAULTSORT:Jungersen, Hector Frederik Estrup Academic staff of the University of Copenhagen 1854 births 1917 deaths Danish zoologists Danish ichthyologists Estrup family