I -- What Problems of Physics and Astrophysics Seem Now to Be Especially Important and Interesting? -- What Problems of Physics and Astrophysics Seem Now to Be Especially Important and Interesting (Thirty Years Later, Already on the Verge of the 21st Century)? -- II -- How Does Science Develop? Remarks on The Structure of Scientific Revolutions -- Who Created the Theory of Relativity and How Was It Developed? A Review with a Preamble and a Commentary -- Does Astronomy Need 'New Physics'? -- Physical Laws and Extraterrestrial Civilizations -- Wide Scope and Up-to-Date Information as a Precondition of Successful Research -- Physics Stays Young. A Way of Answering the Questionnaire in Nauka i Zhizn' Magazine -- On Popular Science and More -- Notes on the Occasion My Jubilee -- A Scientific Autobiography - an Attempt -- III -- About Igor EvgenevichTamm -- A Piece of Advice Given by Leonid Isaakovich Mandelshtam -- On the 90th Anniversary of the Birth of Nikolai Dmitrievich Papaleksi -- About Lev Davidovich Landau -- To the Memory of Aleksandr Aleksandrovich Andronov -- About Aleksandr Lvovich Mints -- In Commemoration of Sergei Ivanovich Vavilov -- A Story of Two Directors -- To the Memory of Ilya Mikhailovich Frank -- About Grigorii Samuilovich Landsberg -- To the Memory of Evgenii Konstantinovich Zavoiskii -- About Matvei Samsonovich Rabinovich -- Mstislav Vsevoldovich Keldysh -- About Albert Einstein -- In Memory of Niels Bohr -- About Richard Feynman - a Remarkable Physicist and a Wonderful Man -- John Bardeen and the Theory of Superconductivity -- On High-Energy Astrophysics (On the 80th Birthday of Jan Oort) -- The Sakharov Phenomenon -- Notes on A. I. Solzhenitsyn, A. D. Sakharov, and the 'Crosswind' -- About the Author.