Irena Sendler Ir During WWII, Irena, got permission to work in theWarsawghetto, as a Plumbing/Sewer specialist. She had an 'ulterior motive'. She KNEW what the Nazi's plans were for the Jews (being German). Irena smuggled infants out in the bottom of the tool box she carried and she carried in the back of her truck a burlap sack, (for larger kids).