People Du Ruji peoplepill id: du-ruji-1DR 10 views today 10 views this weekDu RujiBiographyGallery (1)ListsAlso ViewedListsDu Ruji is in following listsBy field of workNotable philosophersGender:Male, Born in:Years 1900 to 1929By work and/or countryNotable LogiciansGender:Male, Born in:Years 1900 to 1929From our partnersSponsoredDu Ruji