People John C. Ljubenkov peoplepill id: john-c-ljubenkovJCL 9 views today 17 views this weekJohn C. LjubenkovBiographyListsAlso ViewedListsJohn C. Ljubenkov is in following listsBy field of workNotable scientistsGender:MaleBy work and/or countryNotable ScientistsGender:MaleNotable BiologistsGender:MaleFrom our partnersSponsoredJohn C. Ljubenkov