death_date death_place birth_place nationality field work_institutions birth_date known_for image article_title name
3 december 1882 cambridge braintree , essex english astronomy cambridge observatory 12 december 1803 neptune james challis.jpg james challis
 james challis
james challis

james challis frs -lrb- 12 december 1803 -- 3 december 1882 -rrb- was an english clergyman , physicist and astronomer .
plumian professor and director of the cambridge observatory , he investigated a wide range of physical phenomena though made few lasting contributions outside astronomy .
he is best remembered for his missed opportunity to discover the planet neptune in 1846 .
