Education
Ph.D., Astronomy
University of Arizona
B.S., Physics
University of North Carolina
at Chapel Hill
Professor and Chairperson
Ph.D., Astronomy
University of Arizona
B.S., Physics
University of North Carolina
at Chapel Hill
The intergalactic medium and quasar absorption lines
The extragalactic ultraviolet background
Intrinsic absorption in active galactic nuclei
Spectral energy distributions of active galactic nuclei