Professor of Astronomy, Vanderbilt University David A. Weintraub is Professor of Astronomy and Director of Undergraduate Studies, Department of Physics & Astronomy, at Vanderbilt University. Weintraub is also Director of the Program in the Communication of Science and Technology (CSET) and Co-Director of the Scientific Computing Program. Weintraub is author of several books, including: -Religions and Extraterrestrial Life: How Will We Deal With It?; -How Old is the Universe?; and -Is Pluto a Planet?