Given the question: Facts: - fields: zoology , botany - death date: december 10 , 1850 - author abbrev bot: f.voigt - author abbrev zoo: voigt - birth date: 1791 - name: friedrich siegmund voigt - nationality: german - birth place: gotha Based on these bullet points, write a short biography describing the life of friedrich siegmund voigt .
The answer is:
friedrich siegmund -lrb- sigismund -rrb- voigt -lrb- voight -rrb- -lrb- 1781 - 1850 -rrb- was a german zoologist and botanist , with a special interest in spermatophytes .he taught at jena , where he translated georges cuvier 's '' le regne animal '' -lrb- 1817 -rrb- , and was the director of the jena botanical gardens and the museum of zoology .he proposed a classification of the animal kingdom with nine classes , based on body structure , such as those that are soft and gelatinous , those that are articulated and have an exoskeleton , and those that have an endoskeleton .