- A few episodes from the history of ideas on structure and evolution of vacuum during last 50 years as seen from ITEP.
- The impact on the theory of vacuum by I. Pomeranchuk, L. Landau, Ya. Zeldovich, A. Sakharov, D. Kirzhnits and their disciples.
- The importance of international exchange of ideas.
- The crucial role of experiments on P and CP violation.
- Interconnection of particle physics and cosmology.