Preface: Peter Galison Introduction Part I: Foundations to 1955 1. Gravitational Redshift - Early Efforts to Confirm Einstein's Prediction in the Solar Spectrum until 1930 Klaus Hentschel 2. Einstein's Light-Bending Prediction - The Early Years Jeffrey Crelinsten 3. Replication in Crisis: The Light Deflection Experiment from 1930 onwards Daniel Kennefick 4. Testing General Relativity on the Largest Scales in the Years 1915-1955: the Dawning of Modern Cosmology Cormac O'Raifeartaigh 5. Black Holes were Born Jeroen van Dongen Part II: Golden Age to Black Holes: 1955-Present 6. A Relativistic Renaissance Clifford Will 7. Brans-Dicke Theory and the Empirical Renaissance of General Relativity Alexander Blum, Roberto Lalli, and Jürgen Renn 8.

The Pound-Rebka Measurement of Gravitational Redshift and its High-Precision Descendants Brandon R. Brown 9. Shifting from Nuclear and Particle Physics: The Contributions of John Wheeler to Experimental Gravitation Paul Halpern 10. Robert Vessot's Gravity Probe A: Perfect a hammer, and the world looks like a Nail Connemara Doran and David DeVorkin 11. Testing General Relativity with Pulsars: From Hulse-Taylor to the Present Paulo C.C. Freire and Norbert Wex 12. Imaging the Shadow of a Black Hole Emilie Skulberg List of Contributors Index.