▁major ▁part ▁of ▁it ; ▁they ▁are ▁married , ▁and ▁have ▁children ▁together . ▁ ▁" How ▁long ▁will ▁all ▁of ▁this ▁take ?" ▁asks ▁Catherine , ▁referring ▁to ▁the ▁car ▁repair , ▁and ▁Ed , ▁thinking ▁about ▁their ▁future ▁life ▁together , ▁rep lies , ▁" That ' s ▁up ▁to ▁you ". ▁ ▁His ▁life ▁purpose ▁has ▁suddenly ▁been ▁decided ▁by ▁a ▁force ▁of ▁nature ▁greater ▁than ▁himself . ▁ ▁F inding ▁a ▁watch ▁she ▁left ▁at ▁the ▁gar age , ▁Ed ▁travel s ▁to ▁her ▁address ▁and ▁finds ▁himself ▁face ▁to ▁face ▁with ▁Albert ▁Ein stein ▁( W alter ▁Matth au ), ▁who ▁is ▁Catherine ' s ▁uncle . ▁ ▁Albert — port rayed ▁as ▁a ▁fun - lo ving ▁genius — and ▁his ▁m isch iev ous ▁friends , ▁fellow ▁scient ists ▁Nathan ▁Lie b k ne cht ▁( Jose ph ▁Mah er ), ▁Kurt ▁Gö del ▁( Lou ▁Jacob i ), ▁and ▁Bor is ▁Pod ol sky ▁( G ene ▁S aks ), ▁quickly ▁accept ▁Ed ▁as ▁a ▁friend ▁and ▁see ▁Ed ▁as ▁someone ▁who ▁would ▁be ▁better ▁su ited ▁for ▁Catherine . ▁The ▁four ▁of ▁them ▁bring ▁their ▁commun al ▁vehicle ▁to ▁Ed ' s ▁gar age ▁to ▁have ▁it ▁modified ▁as ▁a ▁convert ible , ▁and ▁chat ▁with ▁Ed ▁about ▁how ▁to ▁attract ▁Catherine ' s ▁interest . ▁An ▁am used ▁suggestion ▁by ▁Ed ▁to ▁" bor row ▁their ▁bra ins " ▁insp ires ▁them ▁to ▁try ▁to ▁help ▁Ed ▁look ▁and ▁sound ▁like ▁a ▁scient