good ▁was ▁born ▁on ▁November ▁ 5 , ▁ 1 8 4 5 , ▁in ▁Nelson , ▁New ▁Ham pshire , ▁United ▁States . ▁In ▁ 1 8 6 6 ▁he ▁study ▁medicine ▁in ▁Bow do in ' s ▁Medical ▁School , ▁and ▁later ▁in ▁New ▁York ▁University ▁where ▁he ▁received ▁his ▁M . D . ▁in ▁ 1 8 6 9 . ▁ ▁After ▁a ▁short ▁period ▁of ▁practice ▁in ▁his ▁native ▁town , ▁Os good ▁came ▁with ▁his ▁wife ▁Helen ▁W . ▁Os good ▁to ▁China ▁as ▁a ▁medical ▁mission ary , ▁arriv ing ▁at ▁Fo och ow ▁on ▁January ▁ 2 2 , ▁ 1 8 7 0 . ▁Upon ▁his ▁arrival ▁he ▁began ▁pract icing ▁medicine ▁part - time , ▁while ▁putting ▁much ▁of ▁his ▁energy ▁in ▁the ▁study ▁of ▁the ▁Chinese ▁and ▁the ▁Fo och ow ▁vern ac ular , ▁and ▁very ▁soon ▁he ▁master ed ▁the ▁language . ▁He ▁established ▁the ▁Fo och ow ▁Medical ▁Mission ary ▁Hospital ▁near ▁Pon as ang , ▁where ▁he ▁devoted ▁much ▁of ▁his ▁energy . ▁In ▁ 1 8 7 8 ▁a ▁new ▁fifty - bed ▁hospital ▁at ▁the ▁Peace ▁Street ▁was ▁completed ▁with ▁funds ▁contributed ▁by ▁foreign ▁business men ▁and ▁Chinese ▁mer ch ants ▁and ▁officials ▁in ▁Fo och ow , ▁and ▁the ▁old ▁building ▁was ▁turned ▁into ▁an ▁op ium ▁as yl um . ▁ ▁Os good ▁worked ▁in ▁Fo och ow ▁for ▁a ▁little ▁more ▁than ▁a ▁de cade ▁until ▁his ▁own ▁health ▁broke ▁down ▁in ▁the ▁summer