000093274 1878-1942 1922-1951 1939-1945 atrocities auschwitz(concentrationcamp) bardach biography borowski education history historykolyma(concentrationcamp) jewisheducators kolymamountainsregion korczak krystyn moraleducation nelsiedlecki olszewski personalnarratives philosophy poland polish politicalprisoners prisonersofwar russia(federation) tadeusz worldwar