Christian Ehrenfried von Weigel (24 May 1748 – 8 August 1831) was a Swedish-born German

scientist A scientist is a person who conducts Scientific method, scientific research to advance knowledge in an Branches of science, area of the natural sciences. In classical antiquity, there was no real ancient analog of a modern scientist. Instead, ...

and, beginning in 1774, a professor of

chemistry Chemistry is the science, scientific study of the properties and behavior of matter. It is a natural science that covers the Chemical element, elements that make up matter to the chemical compound, compounds made of atoms, molecules and ions ...

pharmacy Pharmacy is the science and practice of discovering, producing, preparing, dispensing, reviewing and monitoring medications, aiming to ensure the safe, effective, and affordable use of medicines. It is a miscellaneous science as it links heal ...

botany Botany, also called , plant biology or phytology, is the science of plant life and a branch of biology. A botanist, plant scientist or phytologist is a scientist who specialises in this field. The term "botany" comes from the Ancient Greek w ...

, and

mineralogy Mineralogy is a subject of geology specializing in the scientific study of the chemistry, crystal structure, and physical (including optical) properties of minerals and mineralized artifacts. Specific studies within mineralogy include the proces ...

at the

University of Greifswald The University of Greifswald (; german: Universität Greifswald), formerly also known as “Ernst-Moritz-Arndt University of Greifswald“, is a public research university located in Greifswald, Germany, in the state of Mecklenburg-Western Pom ...

Biography

Born in

Stralsund Stralsund (; Swedish: ''Strålsund''), officially the Hanseatic City of Stralsund (German: ''Hansestadt Stralsund''), is the fifth-largest city in the northeastern German federal state of Mecklenburg-Western Pomerania after Rostock, Schwerin, Neub ...

, in 1771 he received his

medical doctorate Doctor of Medicine (abbreviated M.D., from the Latin ''Medicinae Doctor'') is a medical degree, the meaning of which varies between different jurisdictions. In the United States, and some other countries, the M.D. denotes a professional degree. T ...

from the

University of Göttingen The University of Göttingen, officially the Georg August University of Göttingen, (german: Georg-August-Universität Göttingen, known informally as Georgia Augusta) is a public research university in the city of Göttingen, Germany. Founded ...

, having studied under

Johann Christian Erxleben Johann Christian Polycarp Erxleben was a German naturalist from Quedlinburg. Erxleben was professor of physics and veterinary medicine at the University of Göttingen. He wrote ''Anfangsgründe der Naturlehre'' (1772) and ''Systema regni anim ...

. In 1806, Weigel was

ennobled Nobility is a social class found in many societies that have an aristocracy (class), aristocracy. It is normally ranked immediately below Royal family, royalty. Nobility has often been an Estates of the realm, estate of the realm with many e ...

and carried from then on a ''

von The term ''von'' () is used in German language surnames either as a nobiliary particle indicating a noble patrilineality, or as a simple preposition used by commoners that means ''of'' or ''from''. Nobility directories like the ''Almanach de Go ...

'' in his name. He became the personal physician of the

Swedish Swedish or ' may refer to: Anything from or related to Sweden, a country in Northern Europe. Or, specifically: * Swedish language, a North Germanic language spoken primarily in Sweden and Finland ** Swedish alphabet, the official alphabet used by ...

royal house two years later. Among other things, Weigel developed a cooling heat exchanger (German ) (1771), which was later improved upon by

Justus von Liebig Justus Freiherr von Liebig (12 May 1803 – 20 April 1873) was a German scientist who made major contributions to agricultural and biological chemistry, and is considered one of the principal founders of organic chemistry. As a professor at t ...

and then became known as the

Liebig condenser The Liebig condenser (, ) or straight condenser is a piece of laboratory equipment, specifically a condenser consisting of a straight glass tube surrounded by a water jacket. In typical laboratory operation, such as distillation, the condenser i ...

(). Furthermore, the

honeysuckle Honeysuckles are arching shrubs or twining vines in the genus ''Lonicera'' () of the family Caprifoliaceae, native to northern latitudes in North America and Eurasia. Approximately 180 species of honeysuckle have been identified in both contin ...

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In the hierarchy of biological classification, genus com ...

Weigela ''Weigela'' is a genus of between six and 38 speciesAll of the species listed in the 'Selected species' section are accepted by The Plant List, but most are still under review, and therefore subject to changes in status. of deciduous shrubs in ...

'' is named after him. In 1792, he was elected a foreign member of the

Royal Swedish Academy of Sciences The Royal Swedish Academy of Sciences ( sv, Kungliga Vetenskapsakademien) is one of the Swedish Royal Academies, royal academies of Sweden. Founded on 2 June 1739, it is an independent, non-governmental scientific organization that takes special ...

References

External links

Weigel biography
* * * * * 1748 births 1831 deaths Pteridologists Botanists with author abbreviations 18th-century German botanists 18th-century German chemists German mycologists German untitled nobility People from Stralsund People from Swedish Pomerania University of Greifswald faculty Members of the Royal Swedish Academy of Sciences University of Göttingen alumni 19th-century German chemists {{Germany-botanist-stub