People /Yaakov Y. Fein peoplepill id: yaakov-y-feinYYF 1 views today 2 views this weekResearcherYaakov Y. FeinBiographyListsAlso ViewedListsYaakov Y. Fein is in following listsBy field of workFamous people in academiaBy work and/or countryFamous ResearchersFrom our partnersSponsoredYaakov Y. Fein