Irena Sendler, born to a Polish Catholic family, was raised to respect people of all backgrounds and to help those in need. She became a social worker; and after the German army occupied Poland during World War II, Irena knew she had to help the sick and starving Jews who were imprisoned in the Warsaw Ghetto. She began by smuggling food, clothing, and medicine into the ghetto, then turned to smuggling children out of the ghetto. Using false papers...