Hermann Siewert
Hermann Max Siewert (born November 10, 1834 in Marienwerder , West Prussia , † February 16, 1890 in Danzig ) was a German chemist who was a pioneer of agricultural chemical research in Argentina.
Life
Hermann Siewert was to study law at his father's request, but turned to chemistry . He enrolled at the Friedrichs University in Halle and became a fox in the Corps Teutonia Halle in 1856 . In 1857 he was reciprocated . With a thesis on abietic acid , he was awarded Dr. phil. PhD. He then went to the Georg-August-Universität Göttingen , where he researched chromium oxides . He returned to the University of Halle as an associate professor . When Hermann Burmeister was looking for scientists for the National University of Córdoba and therefore visited Europe, he invited Siewert to a professorship. Siewert married in 1870 and moved to Córdoba , where he set up a state-of-the-art chemical laboratory. He examined numerous natural substances such as the dyes of the indigenous peoples in Argentina and spring water . When minerals he worked with Alfred Stelzner together. In applied research , he looked for suitable fibers for paper manufacture . Intrigues at the University of Cordoba drove him to the Agricultural College in Salta in 1874 . There he examined mineral sources and oil deposits as well as natural substances from the tree bark of the Lapacho group . Sick of malaria , he returned to Germany in 1876. The Central Association of West Prussian Farmers in Danzig appointed him as conductor of the agricultural chemical experimental station. After 14 years he died of sepsis , which he had contracted in the laboratory, “at the age of 55” .
Four of his five children were born in Argentina, including the opera singer Hans Siewert . His assistant in Argentina was Adolfo Doering .
Web links
Individual evidence
- ^ Kösener corps lists 1904
- ↑ Kösener Corpslisten 1960, 57/38
- ↑ Dissertation: De oxydi chromici quae dicuntur modificationibus .
| personal data | |
|---|---|
| SURNAME | Siewert, Hermann |
| ALTERNATIVE NAMES | Siewert, Hermann Max (full name) |
| BRIEF DESCRIPTION | German chemist |
| DATE OF BIRTH | November 10, 1834 |
| PLACE OF BIRTH | Marienwerder , West Prussia |
| DATE OF DEATH | February 16, 1890 |
| Place of death | Danzig |