death_date death_place birth_place nationality field work_institutions birth_date known_for image article_title name alma_mater
22 june 1825 paris leipzig -lrb- after naturalization in 1799 -rrb- france astronomy gotha observatory bureau des longitudes École militaire 30 april 1773 lunar theory johann karl burckhardt astronom.jpg johann karl burckhardt
 johann burckhardt karl -lrb- '' later '' jean charles -rrb- university of leipzig
johann karl burckhardt

johann karl burckhardt -lrb- 30 april 1773 -- 22 june 1825 -rrb- was a german-born astronomer and mathematician who later became a naturalized french citizen .
-lrb- he later became known as jean charles burckhardt -- as in the engraved portrait shown here -rrb- .
he is remembered in particular for his work in fundamental astronomy , and for his lunar theory , which was in widespread use for the construction of navigational ephemerides of the moon for much of the first half of the nineteenth century .
