Relates the author's interactions with many people in dynamical astronomy and quotes several anecdotes from these interactions. This book also refers to the author's experiences when he served in various international positions, such as general secretary of the IAU and chairman of the journal Astronomy and Astrophysics.

Associate, Yerkes Obs. Institute, Adv. Study Princeton, Institute, Space Studies, Goddard Flight Center, and Columbia University, ESO.He is the author or Editor of 15 books, and about 250 papers on Galactic Dynamics, Relativity and Celestial Mechanics. He held the positions of: Gen. Secretary of the IAU; Director General Nat. Obs.of Greece, Pres. Hellenic Astron. Soc.; Nat. Representative of Greece in NATO, etc. He was awarded Amer. Astron. Soc. Brouwer Prize; U. Chicago, Honorary Doctor's Degree; and IAU, Pres. Commission 33 (Galaxy). He was the member Academia Europaea; and Associate Royal Astron. Soc.; Chairman of the European Journal "Astronomy and Astrophysics"; Assoc. Editor of "Cel. Mech. Dyn. Astron."; and awarded over 4500 citations and 300 acknowledgements.

1. Years of study.- 2. Thesis.- 3. First Trips Abroad.- 4. Appointment as a Professor.- 5. The Third Integral.- 6. To the United States (Through Moscow).- 7. Yale.- 8. Chandrasekhar.- 9. Princeton - New York.- 10. First IAU Symposium in Dynamical Astronomy.- 11. IAU Commission 33.- 12. Applications of the Third Integral.- 13. Resonance Overlap.- 14. The Junta Period and the IAU.- 15. Second Sabbatical in the USA. The Density Wave Theory.- 16. A Visit to Israel.- 17. First IAU regional meeting.- 18. Contacts in Italy.- 19. Service in the IAU.- 20. IAU secretariat.- 21. Visits to the USSR.- 22. Topological methods in Galactic Dynamics.- 23. The IAU General Assembly in Grenoble.- 24. A Sabbatical at ESO.- 25. Astronomy and Astrophysics.- 26. Travelling in Western Europe.- 27. Destruction of the Integrals.- 28. Systems of three Degrees of Freedom.- 29. Bifurcations.- 30. The IAU General Assembly in Greece.- 31. Brouwer Prize.- 32. Visits to ESO.- 33. Termination of Spirals and Bars.- 34. Further Travel.- 35. Order and Chaos.- 36. Relativity and Cosmology.- 37. Quantum Mechanics vs. Classical Mechanics.- 38. University of Florida.- 39. Integrable Models.- 40. Escapes.- 41. Potentials without Escapes.- 42. Chaos and Randomness.- 43. Homoclinic and Heteroclinic Tangles.- 44. Honorary Degree from the University of Chicago.- 45. Dynamical Spectra.- 46. Destruction of Islands of Stability.- 47. Stickiness.- 48. Collaborators in Greece.- 49. Collaborators Abroad.- 50. Our Faculty.- 51. NATO.- 52. Motivation.- 53. Papers and Referees.- 54. Lectures.- 55. Academy of Athens.- 56. Prospects for the Future.