Stefan Konstanty Myszkiewicz-Niesiołowski is a Polish politician and member of the Union of European Democrats.
In 1970, Niesiołowski became involved in anti-communist opposition Ruch. Wikipedia
Born: 1944 (age 80 years), Kałęczew, Poland
Spouse: Anna Królikowska-Niesiołowska
Nationality: Polish
Books: Wysoki brzeg
Education: University of Lodz (1961–1966)
Previous offices: Marshal of the Sejm of the Republic of Poland (2010–2010), Member of the Sejm of the Republic of Poland (2007–2019), and Senator of the Republic of Poland (2005–2007)