death_date birth_place nationality fields workplaces birth_date spouse image article_title alma_mater
20 march 1931 janesville , wisconsin american entomology , arachnology cornell university 1849 02 24 anna botsford comstock john-henry-comstock-1849-1931 . jpg john henry comstock
 cornell university , yale university
john henry comstock

john henry comstock -lrb- 1849 -- 1931 -rrb- was an eminent researcher in entomology and arachnology and a leading educator .
his work provided the basis for classification of butterflies , moths , and scale insects
