George Blumenthal is Professor of Astronomy and Astrophysics at the University of California, Santa Cruz, where he has been on the faculty since 1972. Professor Blumenthal received his B.S. degree from the University of Wisconsin-Milwaukee and his Ph.D. in physics from the University of California, San Diego. He has served on numerous Academic Senate Committees and has chaired both the Astronomy & Astrophysics Department at UCSC and the Santa Cruz Division of the Academic Senate. As a theoretical astrophysicist, Professor Blumenthal's research encompasses several broad areas, including the nature of the dark matter which constitutes most of the mass in the Universe, the origin of galaxies and other large structures in the Universe, and the structure of active galactic nuclei such as quasars. Professor Blumenthal is also a co-author of the astronomy text 21st Century Astronomy.