Ambrosius Arnold Willem Hubrecht (2 March 1853, in

Rotterdam Rotterdam ( , , , lit. ''The Dam on the River Rotte'') is the second largest city and municipality in the Netherlands. It is in the province of South Holland, part of the North Sea mouth of the Rhine–Meuse–Scheldt delta, via the ''"Ne ...

– 21 March 1915, in

Utrecht Utrecht ( , , ) is the fourth-largest city and a municipality of the Netherlands, capital and most populous city of the province of Utrecht. It is located in the eastern corner of the Randstad conurbation, in the very centre of mainland Net ...

) was a Dutch

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 kingdom, including the structure, embryology, evolution, classification, habits, and d ...

. Hubrecht studied zoology at

Utrecht University Utrecht University (UU; nl, Universiteit Utrecht, formerly ''Rijksuniversiteit Utrecht'') is a public research university in Utrecht, Netherlands. Established , it is one of the oldest universities in the Netherlands. In 2018, it had an enrollme ...

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 ...

and Donders, for periods joining Selenka in

Leiden Leiden (; in English and archaic Dutch also Leyden) is a city and municipality in the province of South Holland, Netherlands. The municipality of Leiden has a population of 119,713, but the city forms one densely connected agglomeration wi ...

and later

Erlangen Erlangen (; East Franconian: ''Erlang'', Bavarian: ''Erlanga'') is a Middle Franconian city in Bavaria, Germany. It is the seat of the administrative district Erlangen-Höchstadt (former administrative district Erlangen), and with 116,062 inhab ...

, and Gegenbauer in

Heidelberg Heidelberg (; Palatine German language, Palatine German: ''Heidlberg'') is a city in the States of Germany, German state of Baden-Württemberg, situated on the river Neckar in south-west Germany. As of the 2016 census, its population was 159,914 ...

. 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. This happened on the initi ...

'' in

, where he was the curator of ichthyology and herpetology, and in 1882 became

professor Professor (commonly abbreviated as Prof.) is an academic rank at universities and other post-secondary education and research institutions in most countries. Literally, ''professor'' derives from Latin as a "person who professes". Professors ...

. In 1890–1891 he traveled in

Java Java (; id, Jawa, ; jv, ꦗꦮ; su, ) is one of the Greater Sunda Islands in Indonesia. It is bordered by the Indian Ocean to the south and the Java Sea to the north. With a population of 151.6 million people, Java is the world's mos ...

, Sumatra, and

Borneo Borneo (; id, Kalimantan) is the third-largest island in the world and the largest in Asia. At the geographic centre of Maritime Southeast Asia, in relation to major Indonesian islands, it is located north of Java, west of Sulawesi, and ea ...

, where he made embryological studies, notably on the tarsier. He visited the

United States The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country primarily located in North America. It consists of 50 states, a federal district, five major unincorporated territori ...

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

Princeton University Princeton University is a private research university in Princeton, New Jersey. Founded in 1746 in Elizabeth as the College of New Jersey, Princeton is the fourth-oldest institution of higher education in the United States and one of the ...

, the

University of St Andrews (Aien aristeuein) , motto_lang = grc , mottoeng = Ever to ExcelorEver to be the Best , established = , type = Public research university Ancient university , endowment ...

, the University of Dublin, the

University of Glasgow , image = UofG Coat of Arms.png , image_size = 150px , caption = Coat of arms Flag , latin_name = Universitas Glasguensis , motto = la, Via, Veritas, Vita , ...

( LL.D 1901), and the

University of Giessen University of Giessen, official name Justus Liebig University Giessen (german: Justus-Liebig-Universität Gießen), is a large public research university in Giessen, Hesse, Germany. It is named after its most famous faculty member, Justus von ...

. Hubrecht´s most important work was in

embryology 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

placenta The placenta 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 the physically separate mate ...

tion of the mammals. 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 Nemertea is a phylum of animals also known as ribbon worms or proboscis worms, consisting of 1300 known species. Most ribbon worms are very slim, usually only a few millimeters wide, although a few have relatively short but wide bodies. Many h ...

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. 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 ...

Sources

References

External links

* {{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