People Switzerland Hans Frey-Hoepfner peoplepill id: hans-frey-hoepfnerHF 15 views today 15 views this weekSchweizer Geologe und MineralogeHans Frey-HoepfnerBiographyListsAlso ViewedListsHans Frey-Hoepfner is in following listsBy field of workNotable Swiss scientistsGender:Male, Born in:Years 1850 to 1899By work and/or countryNotable Swiss GeologistsGender:Male, Born in:Years 1850 to 1899From our partnersSponsoredHans Frey-Hoepfner