The Evolution of Quasars
Abstract
This article reviews and discusses 1) the discovery and early work on the evolution of quasars and AGNs, 2) the different techniques used to find quasars and their suitability for evolutionary studies, 3) the current status of our knowledge of AGN evolution for 0 < z < 6, 4) the new results and questions that deep radio and X-ray surveys are producing for the subject, 5) the relation of AGNs to massive black holes being found in local galaxies and what they tell us about both galaxy and AGN evolution, and 6) current research problems and future directions in quasar and AGN evolution.
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