Summary and background.
Abraham Silberschatz is the Sidney J. Weinberg Professor of Computer Science at Yale University.
Prior to joining Yale, he was the Vice President of the Information Sciences Research Center at Bell Laboratories. Prior to that, he held a chaired professorship in the Department of Computer Sciences at the University of Texas at Austin. 1924- 26: The Columbia University Statistical Laboratory ( location unknown) includes Hollerith tabulating, punching, and sorting machines, Burroughs adding machines, Brunsviga and Millionaire calculators ( the latter was the first device to perform direct multiplication), plus reference works such as math and statistical tables.