Question: Facts: - death place: hamburg , german confederation - residence: germany - fields: botany - death date: 12 february 1860 - workplaces: alter botanischer garten hamburg - birth date: 25 february 1792 - name: johann georg christian lehmann - nationality: german - image: johann christoph lehmann -lrb- 6268902914 -rrb- . jpg - birth place: haselau , duchy of holstein Based on these bullet points, write a short biography describing the life of johann georg christian lehmann .
Answer:
johann georg christian lehmann -lrb- 25 february 1792 -- 12 february 1860 -rrb- was a german botanist .born at haselau , near uetersen , holstein , lehmann studied medicine in copenhagen and gottingen , obtained a doctorate in medicine in 1813 and a doctorate in philosophy from the university of jena in 1814 .he spent the rest of his life as professor of physics and natural sciences at the '' gymnasium academicum '' in hamburg and its head librarian .a prolific monographist of apparently quarrelsome character , he was a member of 26 learned societies and the founder of the hamburg botanical garden : de : botanischer garten hamburg , now the alter botanischer garten hamburg .lehmann died at hamburg in 1860 .some of lehmann 's later illustrations were executed by the german entomologist johann wilhelm meigen .