Ambrosius Arnold Willem Hubrecht (2 March 1853, in

Rotterdam Rotterdam ( , ; ; ) is the second-largest List of cities in the Netherlands by province, city in the Netherlands after the national capital of Amsterdam. It is in the Provinces of the Netherlands, province of South Holland, part of the North S ...

– 21 March 1915, in

Utrecht Utrecht ( ; ; ) is the List of cities in the Netherlands by province, fourth-largest city of the Netherlands, as well as the capital and the most populous city of the Provinces of the Netherlands, province of Utrecht (province), Utrecht. The ...

) was a Dutch

zoologist Zoology ( , ) is the scientific study of animals. Its studies include the structure, embryology, classification, habits, and distribution of all animals, both living and extinct, and how they interact with their ecosystems. Zoology is one ...

. Among his prominent contributions was the evolution of placental mammals. Hubrecht studied zoology at

Utrecht University Utrecht University (UU; , formerly ''Rijksuniversiteit Utrecht'') is a public university, public research university in Utrecht, Netherlands. Established , it is one of the oldest universities in the Netherlands. In 2023, it had an enrollment of ...

with

Harting Harting is a civil parish in the Chichester District of West Sussex, England. It is situated on the northern flank of the South Downs, around southeast of Petersfield in Hampshire. It comprises the village of South Harting and the hamlets of Ea ...

and Donders, for periods joining

Selenka Selenka is a surname. Notable people with the surname include: *Emil Selenka (1842–1902), German zoologist *Margarethe Lenore Selenka (1860–1922), German zoologist, anthropologist, and feminist See also

*Selena (given name) *Selenča, a vi ...

Leiden Leiden ( ; ; in English language, English and Archaism, archaic Dutch language, Dutch also Leyden) is a List of cities in the Netherlands by province, city and List of municipalities of the Netherlands, municipality in the Provinces of the Nethe ...

and later

Erlangen Erlangen (; , ) is a Middle Franconian city in Bavaria, Germany. It is the seat of the administrative district Erlangen-Höchstadt (former administrative district Erlangen), and with 119,810 inhabitants (as of 30 September 2024), it is the smalle ...

, and

Gegenbauer Gegenbauer is a German surname. Notable people with the surname include: *Josef Anton Gegenbauer (1800–1876), German historical and portrait painter *Leopold Gegenbauer (1849–1903), Austrian mathematician See also *Carl Gegenbaur Carl Gegen ...

Heidelberg Heidelberg (; ; ) is the List of cities in Baden-Württemberg by population, fifth-largest city in the States of Germany, German state of Baden-Württemberg, and with a population of about 163,000, of which roughly a quarter consists of studen ...

. He graduated ''magna cum laude'' with Harting in 1874 with a study on nemertine worms. In 1875–1882 he worked at the ''

Rijksmuseum van Natuurlijke Historie The Rijksmuseum van Natuurlijke Historie (National Museum of Natural History) was a museum on the Rapenburg in Leiden, the Netherlands. It was founded in 1820 by Royal Decree from a merger of several existing collections including Temminck's own ...

'' in

, where he was the curator of

ichthyology Ichthyology is the branch of zoology devoted to the study of fish, including bony fish (Osteichthyes), cartilaginous fish (Chondrichthyes), and jawless fish (Agnatha). According to FishBase, 35,800 species of fish had been described as of March 2 ...

and

herpetology Herpetology (from Ancient Greek ἑρπετόν ''herpetón'', meaning "reptile" or "creeping animal") is a branch of zoology concerned with the study of amphibians (including frogs, salamanders, and caecilians (Gymnophiona)) and reptiles (in ...

, and in 1882 became

professor Professor (commonly abbreviated as Prof.) is an Academy, academic rank at university, universities and other tertiary education, post-secondary education and research institutions in most countries. Literally, ''professor'' derives from Latin ...

. In 1890–1891 he traveled in

Java Java is one of the Greater Sunda Islands in Indonesia. It is bordered by the Indian Ocean to the south and the Java Sea (a part of Pacific Ocean) to the north. With a population of 156.9 million people (including Madura) in mid 2024, proje ...

Sumatra Sumatra () is one of the Sunda Islands of western Indonesia. It is the largest island that is fully within Indonesian territory, as well as the list of islands by area, sixth-largest island in the world at 482,286.55 km2 (182,812 mi. ...

, and

Borneo Borneo () is the List of islands by area, third-largest island in the world, with an area of , and population of 23,053,723 (2020 national censuses). Situated at the geographic centre of Maritime Southeast Asia, it is one of the Greater Sunda ...

, where he made embryological studies, notably on the

tarsier Tarsiers ( ) are haplorhine primates of the family Tarsiidae, which is the lone extant family within the infraorder Tarsiiformes. Although the group was prehistorically more globally widespread, all of the existing species are restricted to M ...

. He visited the

United States The United States of America (USA), also known as the United States (U.S.) or America, is a country primarily located in North America. It is a federal republic of 50 U.S. state, states and a federal capital district, Washington, D.C. The 48 ...

in 1896 and 1907. Honorary degrees were conferred on him by

Princeton University Princeton University is a private university, private Ivy League research university in Princeton, New Jersey, United States. Founded in 1746 in Elizabeth, New Jersey, Elizabeth as the College of New Jersey, Princeton is the List of Colonial ...

, the

University of St Andrews The University of St Andrews (, ; abbreviated as St And in post-nominals) is a public university in St Andrews, Scotland. It is the List of oldest universities in continuous operation, oldest of the four ancient universities of Scotland and, f ...

, the

University of Dublin The University of Dublin (), corporately named as The Chancellor, Doctors and Masters of the University of Dublin, is a research university located in Dublin, Republic of Ireland. It is the degree-awarding body for Trinity College Dublin, whi ...

, the

University of Glasgow The University of Glasgow (abbreviated as ''Glas.'' in Post-nominal letters, post-nominals; ) is a Public university, public research university in Glasgow, Scotland. Founded by papal bull in , it is the List of oldest universities in continuous ...

(

LL.D A Doctor of Laws (LL.D.) is a doctoral degree in legal studies. The abbreviation LL.D. stands for ''Legum Doctor'', with the double “L” in the abbreviation referring to the early practice in the University of Cambridge to teach both canon law ...

1901), and the

University of Giessen University of Giessen, official name Justus Liebig University Giessen (), is a large public research university in Giessen, Hesse, Germany. It is one of the oldest institutions of higher education in the German-speaking world. It is named afte ...

. Hubrecht´s most important work was in

embryology Embryology (from Ancient Greek, Greek ἔμβρυον, ''embryon'', "the unborn, embryo"; and -λογία, ''-logy, -logia'') is the branch of animal biology that studies the Prenatal development (biology), prenatal development of gametes (sex ...

and

placenta The placenta (: placentas or placentae) is a temporary embryonic and later fetal organ that begins developing from the blastocyst shortly after implantation. It plays critical roles in facilitating nutrient, gas, and waste exchange between ...

tion of the

mammal A mammal () is a vertebrate animal of the Class (biology), class Mammalia (). Mammals are characterised by the presence of milk-producing mammary glands for feeding their young, a broad neocortex region of the brain, fur or hair, and three ...

s. In papers in the ''Quarterly Journal of Microscopial Science'' in 1883 and 1887 he put forth the theory—also held by Sir E. Ray Lankester—that the vertebrates originated in a Nemertine form, basing this on his discovery in the Nemertines of a continuous nerve sheath. ''The Descent of the Primates'' (1897) is the title under which were published his lectures at the sesquicentennial celebration at Princeton. In 1883 he became member of the

Royal Netherlands Academy of Arts and Sciences The Royal Netherlands Academy of Arts and Sciences (, KNAW) is an organization dedicated to the advancement of science and literature in the Netherlands. The academy is housed in the Trippenhuis in Amsterdam. In addition to various advisory a ...

. Hubrecht founded the '' Institut Internationale d'Embryologie'', today known as the

International Society of Developmental Biologists The International Society of Developmental Biologists (ISDB), formerly the Institut Internationale d'Embryologie (IIE), is a non-profit scientific association promoting developmental biology. The society holds an international Congress every four y ...

Sources

References

External links

Die Säugetierontogenese in ihrer Bedeutung für die Phylogenie der Wirbeltiere
* {{DEFAULTSORT:Hubrecht, Ambrosius 1853 births 1915 deaths Dutch zoologists Developmental biologists Dutch non-fiction writers Members of the Royal Netherlands Academy of Arts and Sciences Scientists from Rotterdam Utrecht University alumni Academic staff of Utrecht University