Balthasar Ehrhart

Johann Balthasar Ehrhart (* 1700 in Kaufbeuren ; † 1756 in Memmingen ) was a German physician , pharmacist , botanist and paleontologist . Its official botanical author abbreviation is “ JBEhrh. ".

Life

Ehrhart's father, Johann David Ehrhart, was a city physician and owner of a pharmacy in Memmingen (where the family moved from Kaufbeuren in 1704 ). Ehrhart completed an apprenticeship as a pharmacist, where he was also a provisional in Tübingen and was introduced to geology and paleontology there by Johann Georg Gmelin . He studied medicine and science in Strasbourg , Halle (especially with Friedrich Hoffmann ) and at the University of Leiden , he with a thesis on at the 1724 Belemnites ( De Belemnitis Suevicis ), of which he rightly recognized that they were among the cephalopods, PhD was . The dissertation was reprinted in Augsburg in 1727. On a subsequent educational trip he visited Albrecht von Haller in Switzerland, where he also met the naturalist Johann Jakob Scheuchzer . In 1727, like his father, he became a city physician and pharmacist in Memmingen. The physician and later city physician of Memmingen Jodocus von Ehrhart was his son.

Balthasar Ehrhart gave an initial classification of the Jura formations in Swabia. He rejected the then common explanation of the formation of the rock formations in the Flood (instead he was a plutonist ). As a botanist he gave the herb book by Adam Lonicer (Lonicer) in 1737 in Ulm with private comment out again. An economic plant history comes from him with a detailed description of medicinal herbs and useful plants.

He was in correspondence with the doctor and editor of the magazine Commercium Christoph Jacob Trew (1695–1756).

On November 26, 1731 he became a member ( matriculation no. 433 ) of the Leopoldina with the academic surname Lysias .

Fonts

Belemnitis suevicis . Leiden 1724, Augsburg 1727, archives
Physical news of a newly founded opinion, which concerns the origin of those fossilized things coming out of the earth, which up to now have been ascribed to the general deluge. Johann Valentin Mayer, Memmingen 1745 Google Books
Herbarium vivum recens collectum, Ulm 1732, continued Memmingen 1745
Economic history of plants and the core of agriculture, gardening and medicinal art, 12 volumes, Memmingen, Ulm 1753 to 1762 (edited from the estate of JG Kölderer)

literature

Rudolf Hirsch: Ehrhart, Balthasar. In: New German Biography (NDB). Volume 4, Duncker & Humblot, Berlin 1959, ISBN 3-428-00185-0 , p. 358 ( digitized version ).
Ruth Heinzelmann: Johann Balthasar Ehrhart (1700–1756) and his correspondence with Christoph Jacob Trew (1695–1769), dissertation Erlangen 2011, online
Johann Daniel Ferdinand Neigebaur : History of the imperial Leopoldino-Carolinische German academy of natural scientists during the second century of its existence. Friedrich Frommann, Jena 1860, p. 213 ( digitized version ).
Willi Ule : History of the Imperial Leopoldine-Carolinian German Academy of Natural Scientists during the years 1852–1887 . With a look back at the earlier times of its existence. In commission at Wilh. Engelmann in Leipzig, Halle 1889, supplements and additions to Neigebaur's history, p. 157 ( archive.org ).

Web links

Individual evidence

^ Edited by Ruth Heinzelmann in her dissertation in Erlangen
↑ Member entry of Balthasar Ehrhart at the German Academy of Natural Scientists Leopoldina , accessed on June 18, 2017.

personal data
SURNAME	Ehrhart, Balthasar
ALTERNATIVE NAMES	Ehrhart, Johann Balthasar (full name); Lysias
BRIEF DESCRIPTION	German physician, pharmacist, botanist and paleontologist
DATE OF BIRTH	1700
PLACE OF BIRTH	Kaufbeuren
DATE OF DEATH	1756
Place of death	Memmingen

[1] Edited by Ruth Heinzelmann in her dissertation in Erlangen

[2] Member entry of Balthasar Ehrhart at the German Academy of Natural Scientists Leopoldina , accessed on June 18, 2017.