Jacob Ziv

Co-developer of the LZ77 lossless data compression algorithm, Ziv made foundational contributions to information theory. From 1955 to 1959, he was a Senior Research Engineer in the Scientific Department Israel Ministry of Defense,...

David John Wheeler

Inventor of the closed subroutine, Wheeler was a pioneer of standard programming techniques whose elegant coding of the EDSAC Initial Orders in only 30 words of store remained a model of what...

William (Bill) Thomas Tutte

A foundational figure in combinatorics and graph theory, Tutte performed significant work in fields with many applications in computer science, and is credited with helping create graph theory in its modern form....

Alexey Leonidovich Pajitnov

Creator of Tetris, Pajitnov developed the iconic game with the help of Dmitry Pavlovsky and Vadim Gerasimov in 1985. The game, first available in the Soviet Union, appeared in the West in...

David R. Millen

Director of a User Interface Design Group responsible for the user interface design of advanced business communications systems and exploratory prototype development of advanced speech applications and pen-based interfaces, Millen has also...

Elmer C. Kubie

Co-founder of Computer Usage Company (CUC), the first independent company to market computer software, Kubie helped transform how software was developed and sold. He and John W. Sheldon founded CUC (1955–1986), sometimes...

Alfred Zalmon Spector

Responsible for IBM software product families such as CICS, WebSphere, and MQSeries, Spector is an American computer scientist and research manager. Spector received his Bachelor of Arts degree in applied Mathematics from Harvard...

John Vincent Atanasoff

Inventor of the first automatic electronic digital computer, Atanasoff was raised by his parents in Brewster, Florida. At the age of nine he learned to use a slide rule, followed shortly by...

Gillian Docherty

Appointed the first Chair of Scotland's AI Alliance in 2021, Docherty was chosen to lead the implementation of Scotland's AI Strategy. She served as CEO of The Data Lab, the Scottish innovation...

Reid Hoffman

Founder of LinkedIn, the world's largest professional network, Hoffman is sometimes called the "Oracle of Silicon Valley" for his track record of identifying transformative technology trends early. Hoffman was born on August 5,...

Philibert Maurice d'Ocagne

Pioneer of nomography — the systematization of graphical calculation methods using nomograms — d'Ocagne was a French engineer and mathematician whose scientific personality soon fell into oblivion, leaving only a few milestones...

Paul J. Severino

Designer of interface boards for the PDP-11 at Digital Equipment Corporation, Severino began his career there after receiving his B.S.E.E. in Electrical Engineering from Rensselaer Polytechnic Institute in 1969, subsequently serving as...

Martin (Marty) Cooper

Lead inventor of the "radio telephone system" and father of the cell phone, Cooper is a pioneer and visionary in the wireless communications industry. With eleven patents in the field, he is...

Craig W. Reynolds

Creator of the Boids artificial life simulation (1986), Reynolds is an artificial life and computer graphics expert. Reynolds worked on the film Tron (1982) as a scene programmer, and on Batman Returns...

Hans-Joachim Queisser

Inventor of a high-power luminescent diode — an infrared light emitting diode (LED) that now forms the basis of almost every household remote control device — Queisser was a solid-state physicist also...

Andreas (Andy) von Bechtolsheim

One of the earliest investors in Google, Bechtolsheim is a computer hardware scientist and entrepreneur who co-founded Sun Microsystems. At Stanford University, Bechtolsheim had devised a powerful computer (which he called a workstation)...

Robert J. Harrison

Principal architect of the Northwest Computational Chemistry Software (NWChem), a computational chemistry code for massively parallel computers, Harrison is a distinguished expert in high-performance computing originally from Birmingham, England. He has served...

John Couch

One of the primary software architecture designers of the HP AMIGO/300 software environment — a precursor to the Xerox Alto and the Macintosh — Couch also served as Apple's first Vice President...

Gottfried Ungerboeck

Inventor of trellis coded modulation, Ungerboeck is a pioneering researcher in digital communications. Ungerboeck received an electrical engineering degree (with emphasis on telecommunications) from Vienna University of Technology in 1964, and a Ph.D....

Daniel Paul Siewiorek

Designer or co-designer of nine multiprocessor systems and a key contributor to the dependability design of over two dozen commercial computing systems, Siewiorek has served as the Buhl University Professor of Electrical...