Part I The Life and Work of Karl Schwarzschild. -Karl Schwarzschild and Frankfurt (Frank Linhard).- Part II Black Holes in Classical General Relativity, Numerical Relativity, Astrophysics, Cosmology and Alternative Theories of Gravity.- Black Hole Observations - towards the Event Horizon (Silke Britzen).- Primordial Black Holes and Quantum Effects (B. J. Carr).- There are no black holes - Pseudo-Complex General Relativity (Walter Greiner, Peter O. Hess, Mirko Schäfer, Thomas Schönenbach, and Gunther Caspar).- Analytical solutions for geodesic equation in black hole spacetimes (Claus Lämmerzahl and Eva Hackmann).- A physical derivation of the Kerr-Newman black hole solution (Reinhard Meinel).- On the Black Holes in alternative theories of gravity: The case of non-linear massive gravity (Ivan Arraut).- The Near-Horizon Limit (Jiří Daněk).- Sourcing a Varying-Mass Black Hole in a Cosmological Background (Michele Fontanini, Daniel C. Guariento).- Tidally Distorted Black Holes (Norman Gürlebeck).- Self-completeness in Alternative Theories of Gravity (Maximiliano Isi, Jonas Mureika and Piero Nicolini).- Gravitational collapse to black holes and more (Daniele Malafarina).- Experimental Tests of Pseudo-Complex General Relativity (Thomas Schönenbach, Gunther Caspar, Peter O. Hess, Thomas Boller, Andreas Müller, Mirko Schäfer and Walter Greiner).- Magnetic field amplification in hypermassive neutron stars via the magnetorotational instability (Daniel M. Siegel and Riccardo Ciolfi).- Extracting information on the equation of state from binary neutron stars (Kentaro Takami, Luciano Rezzolla and Luca Baiotti).- Part III Black Holes in Quantum Gravity and String Theory.- Higher Spin AdS / CFT correspondence & quantum gravity aspects of AdS/CFT (Martin Ammon).- Black Holes in the Asymptotic Safety program (Alfio Bonanno).- Quantum black holes and effective quantum gravity approaches (Xavier Calmet).- The Black Hole Uncertainty Principle Correspondence

(B. J. Carr).- Scattering and unitarity methods in two dimensions (Valentina Forini, Lorenzo Bianchi and Ben Hoare).- Gravity Duals to Non-Relativistic Quantum Field Theories (Andreas Karch and Stefan Janiszewski).- A 'regularized' Schwarzschild solution (F.R. Klinkhamer).- The Chemistry of Black Holes (Robert B. Mann).- Black Holes in Supergravity (K. S. Stelle).- Thermodynamic of Distorted Reissner-Nordström Black Holes in Five-dimensions (Shohreh Abdolrahimi).- What is the Schwarzschild radius of a quantum mechanical particle? (Roberto Casadio).- The Background Effective Average Action Approach to Quantum Gravity (Giulio D'Odorico, Alessandro Codello, and Carlo Pagani).- Phase transitions of regular Schwarzschild-Anti-de Sitter black holes (Antonia Micol Frassino).- Vector Fields and Kerr/CFT Correspondence (A. M. Ghezelbash).- Black Holes in Non-relativistic Holography (Stefan Janiszewski).- Black holes and running couplings: A comparison of two complementary approaches (Benjamin Koch, Carlos Contreras, Paola Rioseco, and Frank Saueressig).- Quantum Harmonic Black Holes (Alessio Orlandi, Roberto Casadio).- Holographic entanglement entropy of semi-local quantum liquids (Da-Wei Pang, Johanna Erdmenger, and Hansjörg Zeller).- Quadratic Palatini gravity and stable black hole remnants (D. Rubiera-Garcia, Francisco S. N. Lobo, and Gonzalo J. Olmo).- Kermions (Elizabeth Winstanley).- Part IV Other Topics in Contemporary Gravitation.- Quantum Gravity and the Cosmological Constant Problem (J. W. Moffat).- Emergent gravity and the cosmological constant (T. Padmanabhan).- Tunnelling methods and Unruh-DeWitt detectors in curved spacetimes (Giovanni Acquaviva).- Fermions on adS (Victor E. Ambrus, and Elizabeth Winstanley).- Study on Rescaling Extrinsic Curvature in Gravitational Initial Data (Shan Bai and Niall O Murchadha).- Massive gravities (Dennis D. Dietrich).- Self Sustained Traversable Wormholes and Topology Change Induced by Gravity's Rainbow (Remo Garattini).- A general