Nathan Rochester

Designer of the IBM 701, the first general-purpose, mass-produced computer, Rochester was also the writer of the first symbolic assembler and a founding participant in the field of artificial intelligence. Nathan Rochester received...

Harry Wexler

A pioneer in the use of computers for weather prediction and modification, Wexler was an American meteorologist who attended Harvard University, and in 1939 was awarded a Ph.D. in meteorology from the...

Izrael Abraham Staffel

Inventor of a calculating machine able to add, subtract, divide, multiply, and obtain a square root, Staffel was a Polish inventor, watchmaker, mechanic, and designer of calculating machines, born in 1814 in...

John Sanguinetti

Principal architect of VCS, the Verilog Compiled Simulator, Sanguinetti has been a major contributor to the resurgence in the use of Verilog in the design community. Born and raised in Maryland, he...

Frederick Phillips Brooks, Jr.

Manager of the development of OS/360, Brooks was also known for writing candidly about the process in his seminal book *The Mythical Man-Month*. "It is a very humbling experience to make a...

Tze-Chiang (T. C.) Chen

Major contributor to CMOS miniaturization and DRAM devices with a profound impact on IBM's leadership in CMOS process technology and DRAM manufacturing, Chen has served as an IBM Fellow and the Vice...

Valerie Landau

Developer of a multi-touch interface for chorded text entry, Landau filed two patents with her colleague and mentor Douglas Engelbart. Their most recent patent (filed April 2010) describes a multitouch interface for...

Edward Rolf Tufte

Noted for his writings on information design and statistics, Tufte is an expert in the presentation of informational graphics such as charts and diagrams, and a fellow of the American Statistical Association....

James (Jim) J. Thomas

Considered by many computer scientists to be a visionary and inspiring research and development (R&D) leader in the field of visualization and computer graphics, Thomas was internationally recognized for his contributions to...

Stephen Wolfram

Chief designer of Mathematica and the Wolfram Alpha computational knowledge engine, Wolfram is a British scientist whose parents were Jewish refugees who emigrated from Westphalia, Germany, to England in 1933. He was...

Glenn John McQueen

Supervisor of computerized animation on Pixar's early films and hailed as one of the best animators in the field, McQueen's work was central to the studio's success. A Canadian supervisor of digital...

Abraham Lempel

One of the fathers of the LZ family of lossless data compression algorithms, Lempel studied at Technion - Israel Institute of Technology, and received B.Sc. in 1963, M.Sc. in 1965, and D.Sc....

Jorma J. Rissanen

Known for inventing arithmetic coding and the minimum description length principle, Rissanen was an IBM researcher from 1960 who received his Ph.D. from the Helsinki University of Technology in 1965. After retiring...

Tom Gilb

Developer of software metrics, software inspection, and evolutionary processes, Gilb is an American systems engineer, consultant, and author known for bringing quantitative measurement approaches to software development. Since quantitative measurements are essential...

Heinz G. Schwaertzel

Head of Central Research at Siemens AG in Munich, Schwaertzel has served as President of Gesellschaft für Informatik (GI) from 1987–1991. He initiated DFKI (German Research Institute for Artificial Intelligence) in Saarbrücken...

William Aspray

Noted IT historian and professor of computer sciences, Aspray has served in senior management positions with the Charles Babbage Institute, Computing Research Association, and the Institute of Electrical and Electronics Engineers. He...

Chandu Visweswariah

Pioneer in circuit analysis and optimization and inventor of statistical timing, Visweswariah developed techniques used in every IBM chip design—including formal circuit tuning and gate-level timing sign-off. These fundamental contributions improved performance,...

Carlo Heinrich Séquin

Pioneer in computer processor design, Séquin is a Professor of Computer Science at the University of California, Berkeley. He has worked with computer graphics, geometric modelling, and on the development of computer...

Erich Gamma

Design leader of Eclipse's Java Development Tools (JDT), Gamma is a Swiss computer scientist and co-author of the best-selling and influential software engineering textbook, "Design Patterns: Elements of Reusable Object-Oriented Software" (Addison-Wesley,...

Victor Mayer Amédée Mannheim

Inventor of the modern slide rule, Mannheim standardized the design that remained in common use until pocket calculators took over. After graduating from the École d'Application in Metz, Mannheim became an officer of...