Short biography and Publications by Richard Ehrenstein (1871-1929)
Short biography
| 1871 | Born on 11. July 1871 in Berlin |
| 1901 | pharmaceutical state examination in Erlangen |
| 1902-1904 | Assistant of the agricultural control station, officially recognized food office, Göttingen |
| 1904 | Main examination for food chemists in Göttingen |
| 1904-1906 | Doctoral studies with Paul Rabe in Jena |
| 1906 | Promotion with Paul Rabe in Jena |
| 1906-1906 | Assistant at the municipal food inspection office in Krefeld |
| 1907-1907 | Chairman of the chemical laboratory of Fröhlich & Co, Zeitz |
| 1907-1908 | Representative of the owner, then head, of the Food Inspection Office in Harburg |
| 1908-1908 | Food testing for the city district of Ratibor |
| 1909-1909 | Assistant in the chemical laboratory of Dr. Paul Lawaczeck, official investigation office, Limberg |
| 1909-1911 | Practice of food inspection and testing in Pirmasens |
| 1911-1911 | Assistant at the Chemical Laboratory and Institute for Microscopy, Food and Drink Research Center, Dr. Weiß and Dr. Laband, Berlin |
| 1911-1914 | first assistant in the chemical laboratory of Dr. Paul Stephan Behrend, Hamburg |
| 1915-1918 | Scientific assistant at the State Chemical Laboratory in Hamburg |
| 1915-? | substitute teacher of chemistry at the secondary school in St. Georg |
| 1918-1929 | scientific assistant at the State Chemical Laboratory in Hamburg |
| 1928-1929 | Head of the examination office of the State Chemical Institute in Hamburg |
| 1929 | died on April 22, 1929 |
Publications
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