caption death_date work_institution birth_place image_size nationality field birth_date known_for residence prizes article_title name alma_mater
portrait lobby of wolman hanging in the wolman bldg . 22 february 1989 johns hopkins university baltimore , maryland usa 180px american sanitary engineering . 10 june 1892 standardized the methods used to chlorinate drinking-water baltimore , maryland usa national for environmental achievement medal of science -lrb- 1974 -rrb- tyler prize abel wolman
 abel wolman johns hopkins university
abel wolman

abel wolman -lrb- june 10 , 1892 -- february 22 , 1989 -rrb- was an american inventor , scientist , professor and pioneer of modern sanitary engineering .
his work in supplying clean water spanned eight decades .
