{{Short description|Dutch zoologist and botanist}} [[File:Johan Coenraad van Hasselt 1797-1823.jpg|right|thumb|Johan Conrad van Hasselt]] '''Johan Conrad van Hasselt''' (occasionally '''Johan Coenraad van Hasselt'''; 24 June 1797 in [[Doesburg]] – 8 September 1823), was a [[Dutch people|Dutch]] [[medical doctor]], [[zoologist]], [[botanist]] and [[mycologist]].
Conrad van Hasselt studied medicine at the [[University of Groningen]].
In 1820 he went on an expedition to the island of [[Java]], then part of the colonial Dutch East Indies, with his friend [[Heinrich Kuhl]], to study the fauna and flora of the island. They sailed from [[Texel]] on 11 July, stopping at [[Madeira]], the [[Cape of Good Hope]] and [[Cocos (Keeling) Islands|Cocos Island]] and arriving in [[Batavia, Dutch East Indies|Batavia]] in December 1820. Kuhl died after eight months, van Hasselt continued the work for another two years before dying (like Kuhl) of disease and exhaustion. This followed a journey to [[Bantam (city)|Bantam]]. They sent the [[Rijksmuseum van Natuurlijke Historie|Museum of Leiden]] 200 skeletons, 200 skins of mammals from 65 species, 2,000 bird skins, 1,400 fish, 300 reptiles and amphibians, and many insects and crustaceans.
==Works== * Heinrich Kuhl and Johan Conrad van Hasselt. 1820. Beiträge zur Zoologie und Vergleichende anatomie (Contributions to zoology and comparative anatomy). Ed. Hermann. 212 pp. * 1820 Dissertatio medico-anatomical observation of metamorphosi inauguralis exhibens quarumdam partium Ranae temporariae ... Ed apud I. Oomkens. 51 pp. * Tyson R Roberts. 1993. The freshwater fishes of Java, as observed by Kuhl and van Hasselt in 1820-23. Leiden : Nationaal Natuurhistorisch Museum. 94 pp.<ref>[https://www.worldcat.org/oclc/30754605 The freshwater fishes of Java, as observed by Kuhl and van Hasselt in 1820-23] OCLC WorldCat</ref>
== Commemorations == * ''[[Hasseltia]]'' (<small>[[Carl Sigismund Kunth|H.B.K.]] 1825</small>); botanical family [[Salicaceae]]. * ''[[Hasseltiopsis]]'' (<small>[[Hermann Otto Sleumer|Sleumer]] 1938</small>); botanical family [[Salicaceae]]. * ''[[Kuhlhasseltia]]'', named with Heinrich Kuhl (<small>[[Johannes Jacobus Smith|J.J.Sm.]] 1910</small>); botanical family [[Orchidaceae]].<ref>[https://www.biodiversitylibrary.org/page/33068337#page/121/mode/1up BHL] Taxonomic literature : a selective guide to botanical publications</ref> {{botanist|Hasselt}}
==See also== *[[:Category:Taxa named by Johan Conrad van Hasselt]]
==References== {{reflist}} * Roberts T. R. 1993. The freshwater fishes of Java, as Observed by Kuhl and van Hasselt in 1820-23. Zoologische Vol. 285, verhandelingen. Ed Natuurhistorisch Nationaal Museum. 94 pp. {{ISBN|90-73239-17-6}} [http://www.repository.naturalis.nl/document/149052 pdf]
{{Authority control}} {{DEFAULTSORT:Hasselt, Johan Conrad, van}}
[[Category:1823 deaths]] [[Category:1797 births]]
[[Category:Dutch botanists]] [[Category:Dutch mycologists]] [[Category:Dutch zoologists]] [[Category:People from Doesburg]] [[Category:19th-century Dutch medical doctors]] {{Netherlands-scientist-stub}}