Editorial: Quasars at All Cosmic Epochs

The conference was sponsored jointly by the National Institute for Astrophysics, the Padova Astronomical Observatory, the Department of Physics and Astronomy of the University of Padova, and the Instituto de Astrofisica de Andalucia (IAA) of the Consejo Superior de Investigacion Cientifica (CSIC) whose support is gratefully acknowldeged. We are very grateful for the facilitation and sponsorship (including the best poster contest) that was provided by the Journal Frontiers in Astronomy and Space Sciences. Sponsors Officina stellare and Springer Verlag provided conference material free-of-charge. The meeting has been part of the events meant to celebrate the 250th anniversary of the foundation of the Padova Observatory.