People Germany Johann Koelhoff peoplepill id: johann-koelhoffJK 13 views today 13 views this weekGerman printer and publisherJohann KoelhoffBiographyListsAlso ViewedListsJohann Koelhoff is in following listsBy field of workNotable German businesspeopleGender:MaleNotable German people in journalismGender:MaleBy work and/or countryNotable German PrintersGender:MaleNotable German PublishersGender:MaleFrom our partnersSponsoredJohann Koelhoff