open hagen , ▁in ▁ 1 9 0 2 ▁before ▁returning ▁home ▁to ▁help ▁the ▁family . ▁In ▁ 1 9 0 6 , ▁she ▁went ▁to ▁New ▁York ▁where ▁she ▁trained ▁as ▁a ▁nur se ▁at ▁the ▁Pres by ter ian ▁Hospital ▁under ▁Anna ▁Max well , ▁one ▁of ▁the ▁most ▁important ▁figures ▁in ▁American ▁n urs ing . ▁The ▁course ▁cul min ated ▁with ▁a ▁di pl oma ▁from ▁Columbia ▁University . ▁After ▁working ▁as ▁a ▁nur se ▁in ▁cas ual ty ▁for ▁a ▁time , ▁she ▁returned ▁to ▁Den mark ▁where ▁she ▁obtained ▁a ▁post ▁in ▁the ▁ear , ▁nose ▁and ▁thro at ▁department ▁at ▁R ig sh osp it alet , ▁Den mark ' s ▁principal ▁hospital . ▁Thanks ▁to ▁her ▁practical ▁expert ise ▁and ▁the ▁assistance ▁of ▁colle agues ▁such ▁as ▁Bod il ▁Hell fach ▁in ▁the ▁N urs es ' ▁Organ ization , ▁in ▁ 1 9 1 1 ▁she ▁was ▁promoted ▁to ▁head ▁nur se ▁in ▁der mat ology . ▁In ▁parallel , ▁she ▁started ▁to ▁teach ▁at ▁the ▁hospital ' s ▁n urs ing ▁school . ▁When ▁the ▁Bis b eb jer g ▁Hospital ▁was ▁opened ▁in ▁ 1 9 1 3 , ▁M unch ▁was ▁appointed ▁head ▁of ▁n urs es ▁training , ▁a ▁demand ing ▁position ▁established ▁along ▁new ▁lines ▁proposed ▁by ▁the ▁N urs es ' ▁Organ ization , ▁based ▁partly ▁on ▁the ▁American ▁system ▁of ▁combining ▁theory ▁with ▁practice . ▁ ▁Mun ck ▁devoted ▁herself ▁to ▁n urs ing , ▁taking