Krzysztof Celestyn Mrongovius (German: Christoph Cölestin Mrongovius; Polish: Krzysztof Celestyn Mrongowiusz) (July 19, 1764 – June 3, 1855) was a Protestant...

population during the first half of the 19th century was led by Krzysztof Celestyn Mrongowiusz and Gizewiusz who became involved in the movement to counteract...

Andrzej Łaskarz, founder Mieszkowice – Duke Mieszko I Mrągowo – Krzysztof Celestyn Mrongowiusz, Protestant pastor Pieniężno – Seweryn Pieniężny (1890–1940)...

director of the Ossolineum Julian Klaczko, author and historian Krzysztof Celestyn Mrongowiusz, philosopher, distinguished linguist, and translator Jan Seklucjan...