caption death_date death_place birth_place image_size nationality field work_institutions birth_date image article_title name
karl gottfried hagen 2 march 1829 königsberg königsberg , prussia 150px germany chemist university of königsberg 24 december 1749 karl-gottfried-hagen . jpg karl gottfried hagen
 karl gottfried hagen
karl gottfried hagen

karl gottfried hagen -lrb- 24 december 1749 - 2 march 1829 -rrb- was a german chemist .
hagen was born and died in königsberg , prussia .
he founded the first german chemical laboratory at the university of königsberg , thus establishing the scientific discipline of pharmaceutical chemistry in germany .
he worked as a professor in the field of physics , chemistry and mineralogy .
his daughter , johanna , married the astronomer friedrich bessel .
his daughter , louise florentine , married the physicist franz ernst neumann .
