Decades of Dispute," Rep. Progr. Theor. Phys., Vol. 56, 1993, 751-856. Don Howard and John D. Norton, "Out of the Labyrinth? Einstein, Hertz, and the Göttingen Response to the Hole Argument," in John Earman, Michel Janssen, and John D. Norton, eds., The Attraction of Gravitation: New Studies in the History of General Relativity, Boston: Birkhãuser, 1993, 30-62. Further reading Robert Rynasiewicz, "Kretschmann's Analysis of Covariance and Relativity Principles," in Hubert Goeener et al., eds., The Expanding Worlds of General Relativity, Boston: Birkhãuser, 1999, 431-462. Marco Giovanelli, Erich Kretschmann as a Proto-Logical-Empiricist: Adventures and Misadventures of the Point-Coincidence Argument. Studies in History and Philosophy of Science Part B: Studies in History and Philosophy of Modern Physics Volume 44, Issue 2, 115–134. 1887 births 1973 deaths 20th-century German physicists Academic staff of the University of Wittenberg Academic staff of the University of Königsberg Scientists from Berlin