The story of Janus Korczak, greatly admired and much loved in his own country and beyond as a writer, teacher and educational theorist. This Jewish-Polish doctor sacrificed his own safety and with quiet dignity led 200 orphans in his charge onto the train to Treblinka where he perished with them. One of the world's first advocates of children's rights, Korczak pioneered progressive orphanages, founded a children's newspaper and testified for children in courts. This biography draws on Korczak's writings and on interviews with orphans he raised and teachers he trained. Betty Jean Lifton has written extensively on children and children's rights, including Lost and Found: The Adoption Experience, Children of Vietnam and A Place Called Hiroshima.