1. The Nature of Science.- 2. How is Philosophy Possible as a Science?.- 3. Notes on Popper as Follower of Whewell and Peirce.- 4. The Evolution of Knowledge.- 5. Scientific Progress.- 6. The Growth of Theories: Comments on the Structuralist Approach.- 7. Truthlikeness, Realism, and Progressive Theory-Change.- 8. The Growth of Knowledge in Mathematics.- 9. Realism, Worldmaking, and the Social Sciences.- 10. Finalization, Applied Science, and Science Policy.- 11. Paradigms and Problem-Solving in Operations Research.- 12. Remarks on Technological Progress.- Index of Names.