People Poland Jan Koszmaluk peoplepill id: jan-koszmalukJK 1 views today 3 views this weekPolish EsperantistJan KoszmalukBiographyListsAlso ViewedListsJan Koszmaluk is in following listsBy field of workNotable Polish people in literatureGender:Male, Born in:Years 1930 to 1969By work and/or countryNotable Polish EsperantistsGender:Male, Born in:Years 1930 to 1969From our partnersSponsoredJan Koszmaluk