▁few ▁years , ▁Fou ca ult ▁emb ark ed ▁on ▁a ▁variety ▁of ▁research ▁and ▁teaching ▁jobs . ▁From ▁ 1 9 5 1 ▁to ▁ 1 9 5 5 , ▁he ▁worked ▁as ▁a ▁psych ology ▁instruct or ▁at ▁the ▁E NS ▁at ▁Al th us ser ' s ▁inv itation . ▁In ▁Paris , ▁he ▁shared ▁a ▁flat ▁with ▁his ▁brother , ▁who ▁was ▁training ▁to ▁become ▁a ▁sur geon , ▁but ▁for ▁three ▁days ▁in ▁the ▁week ▁comm uted ▁to ▁the ▁northern ▁town ▁of ▁L ille , ▁teaching ▁psych ology ▁at ▁the ▁Univers ité ▁de ▁L ille ▁from ▁ 1 9 5 3 ▁to ▁ 1 9 5 4 . ▁Many ▁of ▁his ▁students ▁liked ▁his ▁lect uring ▁style . ▁Meanwhile , ▁he ▁continued ▁working ▁on ▁his ▁th esis , ▁visit ing ▁the ▁Bibliothèque ▁N ationale ▁every ▁day ▁to ▁read ▁the ▁work ▁of ▁psych olog ists ▁like ▁Ivan ▁Pav lov , ▁Jean ▁Pi aget ▁and ▁Karl ▁J asp ers . ▁Und ert aking ▁research ▁at ▁the ▁psych iat ric ▁inst itute ▁of ▁the ▁Sainte - An ne ▁Hospital , ▁he ▁became ▁an ▁uno fficial ▁intern , ▁studying ▁the ▁relationship ▁between ▁doctor ▁and ▁patient ▁and ▁a iding ▁experiments ▁in ▁the ▁electro ence phal ographic ▁labor atory . ▁Fou ca ult ▁adopted ▁many ▁of ▁the ▁theories ▁of ▁the ▁ps y cho anal yst ▁Sig mund ▁Fre ud , ▁undert aking ▁ps y cho anal yt ical ▁interpretation ▁of ▁his ▁dream s ▁and ▁making ▁friends ▁under go ▁R or sch ach ▁tests .