People Switzerland Stefano Keller peoplepill id: stefano-kellerSK 5 views today 18 views this weekSwiss EsperantistStefano KellerBiographyGallery (1)ListsAlso ViewedListsStefano Keller is in following listsBy field of workNotable Swiss people in literatureGender:Male, Born in:Years 1930 to 1969By work and/or countryNotable Swiss EsperantistsGender:Male, Born in:Years 1930 to 1969From our partnersSponsoredStefano Keller