is Associate Professor of International Science and Technology Policy and International Affairs at the Elliot School of International Affairs at the George Washington University. He received his B.A. in Mathematics from Middlebury College and his Ph.D. in Statistical Computation at the University of Washington in Seattle. He has published extensively on the development of computation and the institutions that support computation in publications. He currently writes the column »The Known World« for IEEE Computer and served for four years as editor-in-chief of the IEEE Annals of the History of Computing.