Lech Wałęsa
Irena Stanisława Sendler, also referred to as Irena Sendlerowa in Poland, nom de guerre Jolanta, was a Polish humanitarian, social worker, and nurse who served in the Polish Underground Resistance during World War II in German-occupied Warsaw. From October 1943 she was head of the children's section of Żegota, the Polish Council to Aid Jews (Polish: Rada Pomocy Żydom ). Wikipedia