9 1 8 , ▁she ▁was ▁appointed ▁the ▁president ▁of ▁First ▁National ▁Bank ▁of ▁East ▁Ro chester ▁while ▁the ▁previous ▁President ▁was ▁en list ed ▁in ▁World ▁War ▁I . ▁During ▁this ▁period ▁she ▁took ▁charge ▁of ▁a ▁problem ▁loan ▁and ▁used ▁it ▁to ▁finish ▁the ▁housing ▁complex es ▁left ▁from ▁the ▁previous ▁loan ▁holder . ▁She ▁used ▁this ▁to ▁further ▁her ▁human itar ian ▁efforts ▁in ▁Ro chester , ▁starting ▁eight ▁companies , ▁including ▁a ▁construction ▁company ▁that ▁built ▁houses ▁for ▁the ▁middle ▁class . ▁After ▁this ▁success ▁she ▁took ▁it ▁upon ▁herself ▁to ▁experiment ▁with ▁concrete ▁to ▁build ▁cheap ▁fire proof ▁houses ▁at ▁an ▁afford able ▁cost ▁using ▁a ▁pour ing ▁method ▁she ▁developed . ▁After ▁this ▁success ▁she ▁described ▁her ▁methods ▁in ▁an ▁article ▁she ▁wrote ▁for ▁a ▁trade ▁magazine , ▁Con crete , ▁in ▁ 1 9 2 1 ▁titled ▁" How ▁Women ▁Build s ▁H ouses ▁to ▁S ell ▁at ▁a ▁Prof it ▁for ▁$ 4 0 0 0 ". ▁Later , ▁she ▁left ▁Ro chester ▁for ▁business ▁opportun ities ▁in ▁South ▁Carolina ▁and ▁California . ▁In ▁the ▁ 1 9 2 0 s ▁she ▁re built ▁a ▁castle ▁in ▁Sept mont s ▁France ▁for ▁herself . ▁As ▁well ▁as ▁helping ▁the ▁surrounding ▁towns ▁to ▁recover ▁from ▁the ▁damage ▁left ▁from ▁the ▁world ▁war . ▁During ▁this ▁time ▁period ▁she ▁also ▁tou red ▁California ▁to ▁study ▁ad obe ▁buildings . ▁In ▁ 1 9 2 4 , ▁she ▁was ▁asked ▁by ▁Ber keley , ▁California ▁to ▁help ▁them