AGN Evolution- the X-ray Revolution
Richard Mushotzky
NASA Goddard Space Flight Center
richard@lheapop.gsfc.nasa.gov
Additional authors: Amy Barger, Len Cowie, Yuxuan Yang, Aaron Steffen, Peter Capak
Chandra and XMM surveys of the faint x-ray source population have radically changed our understanding of the number, location and evolution of AGN. I will present a summary of recent results and the challenge to future missions these new results represent.

