25.10.1945 (79 gadi) (Warsaw, Poland)
Krzysztof Marek Piesiewicz (Polish pronunciation: [ˈkʂɨʂtɔf pjɛˈɕɛvit͡ʂ]; born 25 October 1945 in Warsaw, Poland) is a Polish lawyer, screenwriter, and politician. From 1991 to 1993 and from 1997 to 2011 he was a member of Polish Senate. He was the head of the Ruch Społeczny (RS) or Social Movement Party.