Fresnel's (Dragging) Coefficient as a Challenge to 19th Century Optics of Moving Bodies.- Poincaré's Relativistic Theory of Gravitation.- Standing on the Shoulders of a Dwarf: General Relativity-A Triumph of Einstein and Grossmann's Erroneous Entwurf Theory.- Before the Riemann Tensor: The Emergence of Einstein's Double Strategy.- A Conjecture on Einstein, the Independent Reality of Spacetime Coordinate Systems and the Disaster of 1913.- Einstein and the Principle of General Relativity, 1916-1921.- Einstein and the Problem of Motion: A Small Clue.- A Note on General Relativity, Energy Conservation, and Noether's Theorems.- Weyl vs. Reichenbach on Lichtgeometrie.- Dingle and de Sitter Against the Metaphysicians, or Two Ways to Keep Modern Cosmology Physical.- George Gamow and the 'Factual Approach' to Relativistic Cosmology.- George McVittie, The Uncompromising Empiricist.- False Vacuum: Early Universe Cosmology and the Development of Inflation.- Hilbert's "World Equations" and His Vision of a Unified Science.- Einstein, Kaluza, and the Fifth Dimension.- Unified Field Theory: Early History and Interplay Between Mathematics and Physics.- Is Quantum Gravity Necessary?.- Einstein in the Daily Press: A Glimpse into the Gehrcke Papers.- Syracuse: 1949-1952.- A Biased and Personal Description of GR at Syracuse University, 1951-1961.
