People Poland Witold Niewiadomski peoplepill id: witold-niewiadomskiWN 6 views today 6 views this weekUczony polski (nauki rolnicze)Witold NiewiadomskiBiographyListsAlso ViewedListsWitold Niewiadomski is in following listsBy work and/or countryNotable Polish peopleGender:Male, Born in:Years 1900 to 1929From our partnersSponsoredWitold Niewiadomski