Professor
Ph. D. University of Chicago, 1987.

Dept. of Astronomy & Astrophysics
Pennsylvania State University
University Park, PA - 16802


Contact Information:
Office: 515 B DAVEY LABORATORY
Phone: 814 - 863 - 6040
Fax    : 814 - 863- 3399
Email: charlton at astro.psu.edu