Joseph W. Dauben is Distinguished Professor of History and History of Science at the City University of New York. He is the author of Georg Cantor, His Mathematics and Philosophy of the Infinite and Abraham Robinson: The Creation of Nonstandard Analysis, a Personal and Mathematical Odyssey. A graduate of Harvard University (Ph.D. '72), he has been editor of Historia Mathematica and a former chairman of the International Commission on the History of Mathematics. Professor Dauben has been a fellow of the American Academy in Rome, a member of the Institute for Advanced Study (Princeton), is a Life Member of Clare Hall (Cambridge), an honorary member of the Institute for History of Natural Science of the Chinese Academy of Sciences, and recipient of the American Mathematical Society's Albert Leon Whiteman Memorial Prize for History of Mathematics.