▁store . ▁He ▁briefly ▁attended ▁Win ona ▁College ▁in ▁nearby ▁Win ona ▁Lake ▁and ▁taught ▁high ▁school ▁before ▁moving ▁on ▁to ▁W ab ash ▁College , ▁where ▁he ▁was ▁graduated ▁in ▁ 1 9 1 7 . ▁Upon ▁gradu ation , ▁R oven st ine ▁en list ed ▁in ▁the ▁Army ▁and ▁served ▁in ▁France ▁during ▁World ▁War ▁I . ▁During ▁his ▁three ▁years ▁of ▁active ▁duty , ▁much ▁of ▁which ▁he ▁spent ▁in ▁charge ▁of ▁an ▁engineering ▁demol ition ▁squad , ▁he ▁witness ed ▁battle field ▁pain ▁and ▁suffering ▁which ▁inspired ▁him ▁to ▁purs ue ▁a ▁career ▁in ▁medicine . ▁ ▁Medical ▁career ▁▁ ▁After ▁returning ▁home ▁for ▁several ▁years ▁of ▁teaching ▁and ▁co aching , ▁he ▁decided ▁to ▁attend ▁medical ▁school ▁at ▁Indiana ▁University , ▁from ▁which ▁he ▁received ▁a ▁degree ▁in ▁medicine ▁in ▁ 1 9 2 8 . ▁In ▁ 1 9 3 0 , ▁after ▁struggling ▁to ▁maintain ▁a ▁general ▁practice ▁during ▁econom ically ▁difficult ▁times , ▁he ▁took ▁a ▁fac ulty ▁post ▁at ▁the ▁University ▁of ▁Wisconsin – Mad ison , ▁where ▁he ▁studied ▁under ▁Dr . ▁Ralph ▁M . ▁W aters ▁and ▁served ▁as ▁assistant ▁professor ▁of ▁an est hes ia . ▁ ▁He ▁and ▁W aters ▁experiment ed ▁on ▁the ▁gas ▁cy clo prop ane ▁and ▁were ▁the ▁first ▁do ctors ▁to ▁use ▁it ▁on ▁human ▁subjects . ▁ ▁In ▁ 1 9 3 5 , ▁R oven st ine ▁was ▁appointed ▁chair ▁of ▁the ▁department ▁of ▁an est h esi ology ▁at ▁Belle vue