death_date death_place birth_place nationality field birth_date image article_title name
20 december 1885 new york , us chase city , virginia , us american chemistry 31 march 1835 john c. draper1.jpg john christopher draper
 john christopher draper
john christopher draper

john christopher draper -lrb- march 31 , 1835 -- december 20 , 1885 -rrb- was an american chemist and surgeon .
he was a son of multidisciplinary scientist john william draper and a brother of astronomer henry draper .
