Christian Wilhelm Posselt

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Christian Wilhelm Heinrich Posselt

Christian Wilhelm Heinrich Posselt (born September 14, 1806 in Weinheim ; † January 21, 1877 in Heidelberg ) was a German physician who was the first to succeed in isolating nicotine from the tobacco plant.

His father, Carl Ludwig Posselt (1782–1845), bought a pharmacy in Heidelberg on August 20, 1795 and bought the Schwanen pharmacy in 1807, which he kept for 31 years. He was also a member of the Baden state parliament in Heidelberg. He married Susanna Karolina Anderst.

He studied medicine in Heidelberg and Würzburg. When Dr. med. In 1828, Christian Wilhelm Posselt isolated nicotine from tobacco in a competition with Karl Ludwig Reimann . They described the effective nicotine in a prize publication "De Nicotiniana - About the tobacco plant" submitted to the University of Heidelberg on the isolation and physiological properties of nicotine. For their investigations, they received a gold medal from the Grand Duke of Baden, the gold state medal of the Grand Duchy of Baden. Nicotianin is reminiscent of Jean Nicot , who introduced the tobacco plant (Nicotiana) to France in 1560. The work was later completely forgotten, the manuscript was not found again until 1938, a year before the First International Tobacco Congress, under waste paper in a Berlin attic.

The precursors to this work are mentioned: Gaspari Cerioli (1781–1865) found the oil essenziale of tobacco in 1807 , Louis-Nicolas Vauquelin had extracted the essence de tobacco from tobacco in 1809 . In 1821 Sigismund Friedrich Hermbstädt published remarks on nicotianine, a peculiar component of the various types of tobacco . Furthermore the cigar manufacturer Otto Unverdorben , Mathieu Orfila , Leopold Gmelin , the Heidelberg pathology professor Jakob Friedrich Christian Sebastian (1771-1840) and Philipp Lorenz Geiger .

Christian Wilhelm Posselt became an associate professor at the Medical Faculty in Heidelberg in 1844.

His brother, Louis Posselt (1817–1880), became a private lecturer in pharmacy in Heidelberg, emigrated to northern Mexico as a mine expert after the failed Baden Revolution in 1849, became a chemistry professor in his hometown on his return in 1860, founded the Posseltslust lookout tower at Kohlhof , and took part in the Karlsruhe Congress .

From Wilhelm Heinrich Posselt's marriage to Anna Babette (Barbara) Landfried (1812–1867) from Heidelberg, five children were born. His son Ernst Posselt (1838–1907) was a German merchant and art collector. Wilhelm Heinrich Posselt is buried in the family grave in the Heidelberg Bergfriedhof in section A.

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  1. ↑ Life data in Petra Stumm, Leopold Gmelin (1788-1853): Life and work of a Heidelberg chemist, Freiburg, Centaurus Verlag 2012, p. 604. There as Christian Wilhelm Posselt.
  2. ↑ Main: Handbook of Food Chemistry, Lim. by A. Bömer, A. Juckenack, J. Tillmans, ed. v. E. Bames, B. Bleyer, J. Grossfeld. Volume VIII / 2. Investigation and assessment of the water I - air. Edit v. B. Bleyer et al. SW Souci. With 126 ills., 619 p., J. Springer, Berlin-Wien 1940. Pr. Geh. RM. 84, -, born RM. 87.60. In: Angewandte Chemie. 53, 1940, pp. 515-516, doi : 10.1002 / anie.19400534320 .
  3. ↑ Hermbstädt, Sigismund Friedrich. Remarks on Nicotianine, a peculiar ingredient in the various kinds of tobacco. Berlin, Boston: De Gruyter, 1821. Web. Retrieved 26 Jan. 2015, from Archivlink ( Memento of the original from March 4, 2016 in the Internet Archive ) Info: The archive link was inserted automatically and has not yet been checked. Please check the original and archive link according to the instructions and then remove this notice. @1@ 2Template: Webachiv / IABot / www.degruyter.com
  4. ^ Travels and forays into Mexico and North America, 1849-1856 ; P. 28
  5. ↑ Posseltslust Tower raises further questions , stadtleben.de, November 3, 2008
  6. ↑ Posseltslust Tower near Heidelberg ( Memento of the original from April 23, 2015 in the Internet Archive ) Info: The archive link was inserted automatically and has not yet been checked. Please check the original and archive link according to the instructions and then remove this notice. , fa-navigator.de  @1@ 2Template: Webachiv / IABot / www.fa-navigator.de
  7. ↑ Ernst Posselt's biography at the Heidelberg History Association
personal data
SURNAME Posselt, Christian Wilhelm
ALTERNATIVE NAMES Posselt, Wilhelm Heinrich
BRIEF DESCRIPTION German medic
DATE OF BIRTH September 14, 1806
PLACE OF BIRTH Weinheim
DATE OF DEATH January 21, 1877
Place of death Heidelberg