People Switzerland Mark Ittensohn peoplepill id: mark-ittensohnMI 5 views today 18 views this weekSwiss librarianMark IttensohnBiographyListsAlso ViewedSimilar peoplePeople also viewedJonathan WengerBeat MattmannSwiss librarian and archivistSuraj RoyEntrepreneurFrom our partnersSponsoredMark Ittensohn