The Development of the Theory of Relativity -- Cosmology -- Gravitational Radiation -- Black Holes -- The Black Hole: An Imaginary Conversation with Albert Einstein -- Can Quantum-Mechanical Description of Physical Realty Be Considered Complete -- Einstein's Contribution to Statistical Mechanics -- "On the History of the Special Relativity Theory" -- Einstein's Model for Constructing a Scientific Theory -- Einstein's Treatment of Theoretical Concepts -- Einstein's Importance to Physics, Philosophy and Politics -- Einstein and Zionism -- Birth and Rôle of the GRG-Organization and the Cultivation of International Relations among Scientists in the Field -- Reminiscences of Albert Einstein from 1908 to 1930 -- Mercer Street and other Memories -- Einstein - and the Vanity of Academia.