Karl Heider (28 April 1856,

Vienna en, Viennese , iso_code = AT-9 , registration_plate = W , postal_code_type = Postal code , postal_code = , timezone = CET , utc_offset = +1 , timezone_DST ...

– 2 July 1935,

Deutschfeistritz Deutschfeistritz is a municipality in the district of Graz-Umgebung in the Austrian state of Styria. It is the site of , one of the homes of the Princes of Liechtenstein. Population Personalities *Vincenz Liechtenstein Prince Vincenz of Lie ...

) was an Austrian

zoologist Zoology ()The pronunciation of zoology as is usually regarded as nonstandard, though it is not uncommon. is the branch of biology that studies the Animal, animal kingdom, including the anatomy, structure, embryology, evolution, Biological clas ...

and

embryologist Embryology (from Greek ἔμβρυον, ''embryon'', "the unborn, embryo"; and -λογία, '' -logia'') is the branch of animal biology that studies the prenatal development of gametes (sex cells), fertilization, and development of embryos and ...

known for his research involving the developmental history of

invertebrate Invertebrates are a paraphyletic group of animals that neither possess nor develop a vertebral column (commonly known as a ''backbone'' or ''spine''), derived from the notochord. This is a grouping including all animals apart from the chordate ...

s. He was the son of

Moriz Heider Moriz Heider (21 June 1816, Vienna – 29 July 1866, Vienna) was an Austrian dentist born in Vienna. He studied medicine in Vienna, where he was an assistant to Georg Carabelli (1787-1842). In 1858 he became an associate professor at the Universi ...

, a pioneer of scientific

dentistry Dentistry, also known as dental medicine and oral medicine, is the branch of medicine focused on the teeth, gums, and mouth. It consists of the study, diagnosis, prevention, management, and treatment of diseases, disorders, and conditions o ...

in Austria. He studied medicine and zoology in

Graz Graz (; sl, Gradec) is the capital city of the Austrian state of Styria and second-largest city in Austria after Vienna. As of 1 January 2021, it had a population of 331,562 (294,236 of whom had principal-residence status). In 2018, the popul ...

and Vienna, obtaining his PhD in 1879 and his doctorate of medicine in 1883. In Vienna he was a student of zoologist Carl Claus and a colleague to

Karl Grobben Karl Grobben (27 August 1854, in Brno – 13 April 1945, in Salzburg) was an Austrian biologist. He graduated from, and later worked at, the University of Vienna, chiefly on molluscs and crustaceans. He was also the editor of a new edition of Car ...

, with whom he formed a lifelong friendship. After receiving his habilitation, he became a professor at the

University of Innsbruck The University of Innsbruck (german: Leopold-Franzens-Universität Innsbruck; la, Universitas Leopoldino Franciscea) is a public research university in Innsbruck, the capital of the Austrian federal state of Tyrol, founded on October 15, 1669. ...

(1894). In 1917 he was appointed to the chair of zoology at Friedrich Wilhelm University in

Berlin Berlin ( , ) is the capital and largest city of Germany by both area and population. Its 3.7 million inhabitants make it the European Union's most populous city, according to population within city limits. One of Germany's sixteen constitue ...

. His name is associated with several marine invertebrates with the specific epithet of ''heideri'', an example being ''

Thaumastoderma heideri ''Thaumastoderma heideri'' (Greek; Thauma: a wonder, Derma: skin) belongs to the phylum Gastrotricha and the order Macrodasyida, which are worm shaped, mainly marine species of meiofauna. They live in coarser sand and like the rest of the gastrot ...

''.

Published works

With German zoologist

Eugen Korschelt Eugen Korschelt (28 September 1858, in Zittau – 28 December 1946, in Marburg) was a German zoologist. He is known for his research in the field of comparative embryology and his work involving biological regeneration and transplantation. H ...

, he was co-author of the classic "''Lehrbuch der vergleichenden Entwicklungsgeschichte der wirbellosen Thiere''", later translated into English and published as "Text-book of the embryology of invertebrates". Other noteworthy written efforts by Heider include: * ''Die Gattung Lernanthropus'', 1879 - The genus ''Lernanthropus''. * ''Die Embryonalentwicklung von Hydrophilus Piceus L'', 1889 - Embryonic development of ''

Hydrophilus piceus ''Hydrophilus piceus'' is a species of beetles in the family Hydrophilidae, the water scavenger beetles. This very large aquatic beetle is found in the Palearctic and is known by the common name great silver water beetle.Karaouzas, I., et al. (2 ...

''. * ''Beiträge zur Embryologie von Salpa fusiformis'', 1895 - Contribution involving the embryology of ''Salpa fusiformis''. * "Nomenclator animalium generum et subgenerum ..." published by

Franz Eilhard Schulze Franz Eilhard Schulze (22 March 1840 – 2 November 1921) was a German anatomist and zoologist born in Eldena, near Greifswald. Biography He studied at the Universities of Bonn and Rostock. In 1863, he received his doctorate from Rostock, where ...

Willy Kükenthal Willy Georg Kükenthal (August 4, 1861, Weißenfels – August 20, 1922, Berlin) was a German zoologist. He was the older brother of botanist and theologian Georg Kükenthal (1864–1955). Kükenthal specialized in the Octocorallia and on marine ...

, continued by Karl Heider, schriftleiter: Theodor Kuhlgatz, 1926.Google Search
(publications)

References

{{DEFAULTSORT:Heider, Karl 1856 births 1935 deaths Scientists from Vienna Academic staff of the University of Innsbruck Academic staff of the Humboldt University of Berlin Austrian zoologists Embryologists Zoologists from Austria-Hungary