Karl Weltzien

Karl Weltzien ( Carl Weltzien, born February 8, 1813 in Saint Petersburg, † November 14, 1870 in Karlsruhe ) was a German chemist.

Life

Karl Weltzien (also called " Carl" ) was born on February 8, 1813 in St. Petersburg, the only son of businessman Karl Weltzien (? -1849 ). He went there, which was founded in 1709 as a school of the Lutheran congregation of St. Peter's School. In 1823 his parents moved on to Karlsruhe. Karl visited here the Lyceum in 1831 and began the study of medicine at the University of Heidelberg in 1833, he moved to Göttingen, and then return in the winter semester 1834/35 to Heidelberg. In April 1835, he completed his studies with a doctorate. A year later the marriage. Weltzien 1840 went to Berlin as a kind of visiting scientists to Eilhard Mitscherlich. Since his studies in Heidelberg Weltzien was a member of the Corps Suevia Heidelberg.

In 1841 he was granted the right to teach as a lecturer in chemistry at the secondary school in Karlsruhe and at the Polytechnic School in Karlsruhe, where he gave lectures on agricultural chemistry for aspiring foresters. In 1843 he received the title of professor in 1844, he was appointed to the chair of chemistry at the Polytechnic. In the 1860s, he was suffering from an unspecified skin disorder in the wake of nerve damage and paralysis occurred. Despite several spa stays, he was transferred at the beginning of 1868 to retire. On November 14, 1870, he died. His grave is located in the main cemetery in Karlsruhe. In Karlsruhe, a street is named after him.

Services

Karl Weltzien founded the scientific chemistry at the Polytechnic School, founded in 1825 in Karlsruhe. His predecessor Friedrich Walchner saw the chemistry only as an auxiliary science, correspondingly low was their priority. In 1850 he was ( against his will ) by appointment of Karl Weltzien, who taught since 1842 as associate professor at the School of Forestry, detached.

Even before his appointment as professor urged Weltzien for the construction of a modern laboratory. In his parents' house in Charles Street Weltzien set up a laboratory in which he initially practically taught the students. The acceptance of the call he associated with the binding of a new building of the chemical laboratory at the Polytechnic School. 1851 an appropriate building was erected, which had to be extended in 1857 already.

Thanks Weltzien chemistry achieved international renown in Karlsruhe. So it was the venue for the first international chemists Congress ( Karlsruher Congress ), which was inspired by Weltzien, Charles Adolphe Wurtz and Kekulé. The invitation was accepted by 140 participants from all over the world.