Sir Karl Popper / Helmut Kohl -- 1. Omniscience and Fallibility -- 2. Childhood Memories -- 3. Early Influences -- 4. The First World War -- 5. An Early Philosophical Problem:Infinity -- 6. My First Philosophical Failure:The Problem of Essentialism -- 7. A Long Digression Concerning Essentialism:What Still Divides Me from Most -- 8. A Crucial Year:Marxism; Science and Pseudoscience -- 9. Early Studies -- 10. A Second Digression:Dogmatic and Critical Thinking; Learning with out Induction -- 11. Music -- 12. Speculations about the Rise of Polyphonic Music:Psychology of Discovery or Logic of Discovery? -- 13. Two Kinds of Music -- 14. Progressivism in Art, Especially Music -- 15. Last Years at the University -- 16. Theory of Knowledge:Logik der Forschung -- 17. Who Killed Logical Positivism? -- 18. Realism and Quantum Theory -- 19. Objectivity and Physics -- 20. Truth; Probability; Corroboration -- 21. The Approaching War; The Jewish Problem -- 22. Emigration:England and New Zealand -- 23. Early Work in New Zealand -- 24. The Open Society and The Poverty of Historicism -- 25. Other Work in New Zealand -- 26. England:At the London School of Economics and Political Science -- 27. Early Work in England -- 28. First Visit to the United States. Meeting Einstein -- 29. Problems and Theories -- 30. Debates with Schrodinger.