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Pediatrician Janusz Korczak was a Polish-Jewish physician, educator, and children's rights advocate. He dedicated his life to caring for and educating orphaned and abandoned children. Korczak established orphanages in Warsaw, Poland, where he implemented innovative educational methods that emphasized children's rights and self-governance. During World War II, he refused to abandon his young charges and accompanied them to the Treblinka extermination camp, where he was murdered along with the children.