death_date death_place children birth_place image_size name field birth_date alma_mater known_for image article_title birth_name organization
01 december 1810 dorpat , russian empire karl friedrich knorre neuhaldensleben , german empire 250px ernst friedrich knorre astronomy 1759 y university of halle charting geography of estonia ernst friedrich knorre.jpg ernst friedrich knorre
 ernst christoph friedrich knorre universität dorpat dorpat observatory
ernst friedrich knorre

ernst christoph friedrich knorre -lrb- 1759 -- 1 december 1810 -rrb- was a german-born astronomer who lived and worked in present-day estonia as a founding professor of mathematics at the universität dorpat and chief `` observator '' for the dorpat observatory .
his son karl friedrich knorre and grandson viktor knorre were also notable astronomers .
recently nasa named an asteroid in honor of the three generations of knorre astronomers .
