Editorial for the Special Issue 100 Years of Chronogeometrodynamics: The
  Status of the Einstein's Theory of Gravitation in Its Centennial Year
  The present Editorial introduces the Special Issue dedicated by the journal
Universe to the General Theory of Relativity, the beautiful theory of
gravitation of Einstein, a century after its birth. It reviews some of its key
features in a historical perspective, and, in welcoming distinguished
researchers from all over the world to contribute it, some of the main topics
at the forefront of the current research are outlined.
