Irena Sendler Biography

Irena Sendler (née Krzyżanowska), also referred to as Irena Sendlerowa in Poland, nom de guerre "Jolanta" (15 February 1910 – 12 May 2008), was a Polish nurse, humanitarian, and social worker who served in the Polish Underground during World War II in German-occupied Warsaw, and was head of the children's section of Żegota, the Polish Council to Aid Jews (Polish: Rada Pomocy Żydom), which was active from 1942 to 1945.